87517516 has 6 divisors (see below), whose sum is σ = 153155660. Its totient is φ = 43758756.

The previous prime is 87517501. The next prime is 87517523. The reversal of 87517516 is 61571578.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10939686 + ... + 10939693.

Almost surely, 2^87517516 is an apocalyptic number.

It is an amenable number.

87517516 is a deficient number, since it is larger than the sum of its proper divisors (65638144).

87517516 is a wasteful number, since it uses less digits than its factorization.

87517516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21879383 (or 21879381 counting only the distinct ones).

The product of its digits is 58800, while the sum is 40.

The square root of 87517516 is about 9355.0796896659. The cubic root of 87517516 is about 443.9816227548.

The spelling of 87517516 in words is "eighty-seven million, five hundred seventeen thousand, five hundred sixteen".