87048901 has 4 divisors (see below), whose sum is σ = 89401612. Its totient is φ = 84696192.

The previous prime is 87048883. The next prime is 87048919. The reversal of 87048901 is 10984078.

It is a Cunningham number, because it is equal to 9330²+1.

87048901 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (87048883) and next prime (87048919).

It can be written as a sum of positive squares in 2 ways, for example, as 77898276 + 9150625 = 8826^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 87048901 - 2⁵ = 87048869 is a prime.

It is a super-2 number, since 2×87048901² = 15155022330615602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2352673 = 87048901 / (8 + 7 + 0 + 4 + 8 + 9 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87048931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176300 + ... + 1176373.

It is an arithmetic number, because the mean of its divisors is an integer number (22350403).

Almost surely, 2^87048901 is an apocalyptic number.

It is an amenable number.

87048901 is a deficient number, since it is larger than the sum of its proper divisors (2352711).

87048901 is a wasteful number, since it uses less digits than its factorization.

87048901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352710.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 87048901 is about 9330.0000535906. Note that the first 4 decimals coincide. The cubic root of 87048901 is about 443.1877667957.

The spelling of 87048901 in words is "eighty-seven million, forty-eight thousand, nine hundred one".