87888932625 has 32 divisors (see below), whose sum is σ = 157496976000. Its totient is φ = 43268395200.

The previous prime is 87888932617. The next prime is 87888932627. The reversal of 87888932625 is 52623988878.

It is a happy number.

It is not a de Polignac number, because 87888932625 - 2³ = 87888932617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87888932627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9009375 + ... + 9019124.

It is an arithmetic number, because the mean of its divisors is an integer number (4921780500).

Almost surely, 2^87888932625 is an apocalyptic number.

It is an amenable number.

87888932625 is a deficient number, since it is larger than the sum of its proper divisors (69608043375).

87888932625 is a wasteful number, since it uses less digits than its factorization.

87888932625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028530 (or 18028520 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 87888932625 in words is "eighty-seven billion, eight hundred eighty-eight million, nine hundred thirty-two thousand, six hundred twenty-five".