87518512 has 20 divisors (see below), whose sum is σ = 173176416. Its totient is φ = 42827840.

The previous prime is 87518507. The next prime is 87518513. The reversal of 87518512 is 21581578.

It is not an unprimeable number, because it can be changed into a prime (87518513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57439 + ... + 58942.

Almost surely, 2^87518512 is an apocalyptic number.

It is an amenable number.

87518512 is a deficient number, since it is larger than the sum of its proper divisors (85657904).

87518512 is a wasteful number, since it uses less digits than its factorization.

87518512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116436 (or 116430 counting only the distinct ones).

The product of its digits is 22400, while the sum is 37.

The square root of 87518512 is about 9355.1329226260. The cubic root of 87518512 is about 443.9833070044.

The spelling of 87518512 in words is "eighty-seven million, five hundred eighteen thousand, five hundred twelve".