87257900 has 36 divisors (see below), whose sum is σ = 191649192. Its totient is φ = 34479360.

The previous prime is 87257869. The next prime is 87257927. The reversal of 87257900 is 975278.

It is a super-2 number, since 2×87257900² = 15227882224820000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3044 + ... + 13556.

Almost surely, 2^87257900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87257900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95824596).

87257900 is an abundant number, since it is smaller than the sum of its proper divisors (104391292).

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

87257900 is a wasteful number, since it uses less digits than its factorization.

87257900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610 (or 10603 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 87257900 is about 9341.1937138676. The cubic root of 87257900 is about 443.5421720711.

The spelling of 87257900 in words is "eighty-seven million, two hundred fifty-seven thousand, nine hundred".