87260288 has 32 divisors (see below), whose sum is σ = 179454720. Its totient is φ = 42220800.

The previous prime is 87260267. The next prime is 87260309. The reversal of 87260288 is 88206278.

It is an interprime number because it is at equal distance from previous prime (87260267) and next prime (87260309).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×87260288² = 15228715723685888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7028 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (5607960).

Almost surely, 2^87260288 is an apocalyptic number.

It is an amenable number.

87260288 is an abundant number, since it is smaller than the sum of its proper divisors (92194432).

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

87260288 is a wasteful number, since it uses less digits than its factorization.

87260288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22036 (or 22024 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 87260288 is about 9341.3215339159. The cubic root of 87260288 is about 443.5462181958.

The spelling of 87260288 in words is "eighty-seven million, two hundred sixty thousand, two hundred eighty-eight".