87236870 has 16 divisors (see below), whose sum is σ = 179458848. Its totient is φ = 29909760.

The previous prime is 87236819. The next prime is 87236899. The reversal of 87236870 is 7863278.

It is a super-2 number, since 2×87236870² = 15220542974793800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623051 + ... + 623190.

It is an arithmetic number, because the mean of its divisors is an integer number (11216178).

Almost surely, 2^87236870 is an apocalyptic number.

87236870 is an abundant number, since it is smaller than the sum of its proper divisors (92221978).

87236870 is a wasteful number, since it uses less digits than its factorization.

87236870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246255.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 87236870 is about 9340.0679869046. The cubic root of 87236870 is about 443.5065365533.

The spelling of 87236870 in words is "eighty-seven million, two hundred thirty-six thousand, eight hundred seventy".