87806370 has 32 divisors (see below), whose sum is σ = 212829120. Its totient is φ = 23182400.

The previous prime is 87806359. The next prime is 87806413. The reversal of 87806370 is 7360878.

It is a super-2 number, since 2×87806370² = 15419917225153800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11460 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (6650910).

Almost surely, 2^87806370 is an apocalyptic number.

87806370 is an abundant number, since it is smaller than the sum of its proper divisors (125022750).

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

87806370 is a wasteful number, since it uses less digits than its factorization.

87806370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 87806370 is about 9370.5053225533. The cubic root of 87806370 is about 444.4695442538.

The spelling of 87806370 in words is "eighty-seven million, eight hundred six thousand, three hundred seventy".