87787101 has 8 divisors (see below), whose sum is σ = 118085760. Its totient is φ = 58006592.

The previous prime is 87787097. The next prime is 87787121. The reversal of 87787101 is 10178778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87787101 - 2² = 87787097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87787101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87787121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129141 + ... + 129818.

It is an arithmetic number, because the mean of its divisors is an integer number (14760720).

Almost surely, 2^87787101 is an apocalyptic number.

It is an amenable number.

87787101 is a deficient number, since it is larger than the sum of its proper divisors (30298659).

87787101 is a wasteful number, since it uses less digits than its factorization.

87787101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259075.

The product of its (nonzero) digits is 21952, while the sum is 39.

The square root of 87787101 is about 9369.4770932000. The cubic root of 87787101 is about 444.4370291101.

It can be divided in two parts, 877 and 87101, that added together give a palindrome (87978).

The spelling of 87787101 in words is "eighty-seven million, seven hundred eighty-seven thousand, one hundred one".