87310328 has 16 divisors (see below), whose sum is σ = 187093680. Its totient is φ = 37418688.

The previous prime is 87310261. The next prime is 87310331. The reversal of 87310328 is 82301378.

It is a junction number, because it is equal to n+sod(n) for n = 87310294 and 87310303.

It is a congruent number.

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, 779501 + ... + 779612.

It is an arithmetic number, because the mean of its divisors is an integer number (11693355).

Almost surely, 2^87310328 is an apocalyptic number.

It is an amenable number.

87310328 is an abundant number, since it is smaller than the sum of its proper divisors (99783352).

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

87310328 is a wasteful number, since it uses less digits than its factorization.

87310328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559126 (or 1559122 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 87310328 is about 9343.9995719178. Note that the first 3 decimals coincide. The cubic root of 87310328 is about 443.6309868498.

The spelling of 87310328 in words is "eighty-seven million, three hundred ten thousand, three hundred twenty-eight".