87599915922 has 16 divisors (see below), whose sum is σ = 175204321632. Its totient is φ = 29199223680.

The previous prime is 87599915903. The next prime is 87599915957. The reversal of 87599915922 is 22951999578.

It is a happy number.

It is a super-2 number, since 2×87599915922² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100597 + ... + 430487.

It is an arithmetic number, because the mean of its divisors is an integer number (10950270102).

Almost surely, 2^87599915922 is an apocalyptic number.

87599915922 is an abundant number, since it is smaller than the sum of its proper divisors (87604405710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87599915922 is a wasteful number, since it uses less digits than its factorization.

87599915922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374153.

The product of its digits is 36741600, while the sum is 66.

The spelling of 87599915922 in words is "eighty-seven billion, five hundred ninety-nine million, nine hundred fifteen thousand, nine hundred twenty-two".