87871032 has 48 divisors (see below), whose sum is σ = 242484840. Its totient is φ = 28736448.

The previous prime is 87871031. The next prime is 87871033. The reversal of 87871032 is 23017878.

It is an interprime number because it is at equal distance from previous prime (87871031) and next prime (87871033).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87871031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7698 + ... + 15329.

Almost surely, 2^87871032 is an apocalyptic number.

It is an amenable number.

87871032 is an abundant number, since it is smaller than the sum of its proper divisors (154613808).

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

87871032 is a wasteful number, since it uses less digits than its factorization.

87871032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23092 (or 23085 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 87871032 is about 9373.9549817566. The cubic root of 87871032 is about 444.5786222839.

The spelling of 87871032 in words is "eighty-seven million, eight hundred seventy-one thousand, thirty-two".