87560520 has 32 divisors (see below), whose sum is σ = 262681920. Its totient is φ = 23349440.

The previous prime is 87560509. The next prime is 87560527. The reversal of 87560520 is 2506578.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87560527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364716 + ... + 364955.

It is an arithmetic number, because the mean of its divisors is an integer number (8208810).

Almost surely, 2^87560520 is an apocalyptic number.

It is an amenable number.

87560520 is an abundant number, since it is smaller than the sum of its proper divisors (175121400).

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

87560520 is a wasteful number, since it uses less digits than its factorization.

87560520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729685 (or 729681 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 87560520 is about 9357.3778378347. The cubic root of 87560520 is about 444.0543314732.

The spelling of 87560520 in words is "eighty-seven million, five hundred sixty thousand, five hundred twenty".