87389801 has 4 divisors (see below), whose sum is σ = 87531600. Its totient is φ = 87248004.

The previous prime is 87389777. The next prime is 87389807. The reversal of 87389801 is 10898378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87389801 - 2¹⁴ = 87373417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87389807) 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, 69971 + ... + 71208.

It is an arithmetic number, because the mean of its divisors is an integer number (21882900).

Almost surely, 2^87389801 is an apocalyptic number.

It is an amenable number.

87389801 is a deficient number, since it is larger than the sum of its proper divisors (141799).

87389801 is a wasteful number, since it uses less digits than its factorization.

87389801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141798.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 87389801 is about 9348.2512268338. The cubic root of 87389801 is about 443.7655489890.

The spelling of 87389801 in words is "eighty-seven million, three hundred eighty-nine thousand, eight hundred one".