87290275 has 24 divisors (see below), whose sum is σ = 114913280. Its totient is φ = 65590560.

The previous prime is 87290263. The next prime is 87290293. The reversal of 87290275 is 57209278.

It is not a de Polignac number, because 87290275 - 2⁵ = 87290243 is a prime.

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, 59602 + ... + 61048.

Almost surely, 2^87290275 is an apocalyptic number.

87290275 is a deficient number, since it is larger than the sum of its proper divisors (27623005).

87290275 is a wasteful number, since it uses less digits than its factorization.

87290275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 87290275 is about 9342.9264687249. The cubic root of 87290275 is about 443.5970205996.

The spelling of 87290275 in words is "eighty-seven million, two hundred ninety thousand, two hundred seventy-five".