87255372 has 48 divisors (see below), whose sum is σ = 216339200. Its totient is φ = 27293760.

The previous prime is 87255349. The next prime is 87255401. The reversal of 87255372 is 27355278.

It is a super-2 number, since 2×87255372² = 15226999885716768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87255372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23097 + ... + 26607.

Almost surely, 2^87255372 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 87255372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108169600).

87255372 is an abundant number, since it is smaller than the sum of its proper divisors (129083828).

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

87255372 is a wasteful number, since it uses less digits than its factorization.

87255372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3644 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 87255372 is about 9341.0583982759. The cubic root of 87255372 is about 443.5378886559.

The spelling of 87255372 in words is "eighty-seven million, two hundred fifty-five thousand, three hundred seventy-two".