87174288 has 90 divisors (see below), whose sum is σ = 249641574. Its totient is φ = 28394496.

The previous prime is 87174277. The next prime is 87174313. The reversal of 87174288 is 88247178.

It can be written as a sum of positive squares in only one way, i.e., 72795024 + 14379264 = 8532^2 + 3792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 898656 + ... + 898752.

Almost surely, 2^87174288 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 87174288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124820787).

87174288 is an abundant number, since it is smaller than the sum of its proper divisors (162467286).

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

87174288 is a wasteful number, since it uses less digits than its factorization.

87174288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 181 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 87174288 is about 9336.7171961027. The cubic root of 87174288 is about 443.4004569190.

The spelling of 87174288 in words is "eighty-seven million, one hundred seventy-four thousand, two hundred eighty-eight".