87316316 has 24 divisors (see below), whose sum is σ = 156891504. Its totient is φ = 42497280.

The previous prime is 87316309. The next prime is 87316357. The reversal of 87316316 is 61361378.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 63476 + ... + 64836.

It is an arithmetic number, because the mean of its divisors is an integer number (6537146).

Almost surely, 2^87316316 is an apocalyptic number.

87316316 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87316316 is a deficient number, since it is larger than the sum of its proper divisors (69575188).

87316316 is a wasteful number, since it uses less digits than its factorization.

87316316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1779 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 87316316 is about 9344.3199859594. The cubic root of 87316316 is about 443.6411284588.

The spelling of 87316316 in words is "eighty-seven million, three hundred sixteen thousand, three hundred sixteen".