87317024 has 12 divisors (see below), whose sum is σ = 171905454. Its totient is φ = 43658496.

The previous prime is 87317017. The next prime is 87317051. The reversal of 87317024 is 42071378.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 35188624 = 7220^2 + 5932^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2728657 = 87317024 / (8 + 7 + 3 + 1 + 7 + 0 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364297 + ... + 1364360.

Almost surely, 2^87317024 is an apocalyptic number.

It is an amenable number.

87317024 is a deficient number, since it is larger than the sum of its proper divisors (84588430).

87317024 is a wasteful number, since it uses less digits than its factorization.

87317024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728667 (or 2728659 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 87317024 is about 9344.3578698592. The cubic root of 87317024 is about 443.6423275362.

The spelling of 87317024 in words is "eighty-seven million, three hundred seventeen thousand, twenty-four".