87015716 has 12 divisors (see below), whose sum is σ = 158898432. Its totient is φ = 41616168.

The previous prime is 87015679. The next prime is 87015727. The reversal of 87015716 is 61751078.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472820 + ... + 473003.

It is an arithmetic number, because the mean of its divisors is an integer number (13241536).

Almost surely, 2^87015716 is an apocalyptic number.

It is an amenable number.

87015716 is a deficient number, since it is larger than the sum of its proper divisors (71882716).

87015716 is a wasteful number, since it uses less digits than its factorization.

87015716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945850 (or 945848 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 87015716 is about 9328.2214810756. The cubic root of 87015716 is about 443.1314419209.

The spelling of 87015716 in words is "eighty-seven million, fifteen thousand, seven hundred sixteen".