87304531236 has 24 divisors (see below), whose sum is σ = 219380617344. Its totient is φ = 26862932640.

The previous prime is 87304531229. The next prime is 87304531241. The reversal of 87304531236 is 63213540378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279822060 + ... + 279822371.

It is an arithmetic number, because the mean of its divisors is an integer number (9140859056).

Almost surely, 2^87304531236 is an apocalyptic number.

It is an amenable number.

87304531236 is an abundant number, since it is smaller than the sum of its proper divisors (132076086108).

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

87304531236 is a wasteful number, since it uses less digits than its factorization.

87304531236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559644451 (or 559644449 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 87304531236 in words is "eighty-seven billion, three hundred four million, five hundred thirty-one thousand, two hundred thirty-six".