87596520 has 64 divisors (see below), whose sum is σ = 286683840. Its totient is φ = 21235200.

The previous prime is 87596519. The next prime is 87596521. The reversal of 87596520 is 2569578.

It is an interprime number because it is at equal distance from previous prime (87596519) and next prime (87596521).

It is a super-2 number, since 2×87596520² = 15346300632220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87596521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31861 + ... + 34500.

It is an arithmetic number, because the mean of its divisors is an integer number (4479435).

Almost surely, 2^87596520 is an apocalyptic number.

It is an amenable number.

87596520 is an abundant number, since it is smaller than the sum of its proper divisors (199087320).

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

87596520 is a wasteful number, since it uses less digits than its factorization.

87596520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66386 (or 66382 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 87596520 is about 9359.3012559699. The cubic root of 87596520 is about 444.1151799225.

The spelling of 87596520 in words is "eighty-seven million, five hundred ninety-six thousand, five hundred twenty".