87158250 has 48 divisors (see below), whose sum is σ = 235681992. Its totient is φ = 23241600.

The previous prime is 87158249. The next prime is 87158261. The reversal of 87158250 is 5285178.

87158250 is a `hidden beast` number, since 8 + 71 + 582 + 5 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9418761 + 77739489 = 3069^2 + 8817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17119 + ... + 21618.

Almost surely, 2^87158250 is an apocalyptic number.

87158250 is an abundant number, since it is smaller than the sum of its proper divisors (148523742).

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

87158250 is a wasteful number, since it uses less digits than its factorization.

87158250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38760 (or 38747 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 87158250 is about 9335.8582894129. The cubic root of 87158250 is about 443.3732635312.

The spelling of 87158250 in words is "eighty-seven million, one hundred fifty-eight thousand, two hundred fifty".