87257697183 has 12 divisors (see below), whose sum is σ = 131518848240. Its totient is φ = 55642589376.

The previous prime is 87257697169. The next prime is 87257697259. The reversal of 87257697183 is 38179675278.

It is not a de Polignac number, because 87257697183 - 2⁵ = 87257697151 is a prime.

It is a super-2 number, since 2×87257697183² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87257697183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87257677183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210767178 + ... + 210767591.

It is an arithmetic number, because the mean of its divisors is an integer number (10959904020).

Almost surely, 2^87257697183 is an apocalyptic number.

87257697183 is a deficient number, since it is larger than the sum of its proper divisors (44261151057).

87257697183 is a wasteful number, since it uses less digits than its factorization.

87257697183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421534798 (or 421534795 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 87257697183 in words is "eighty-seven billion, two hundred fifty-seven million, six hundred ninety-seven thousand, one hundred eighty-three".