87031230 has 64 divisors (see below), whose sum is σ = 245403648. Its totient is φ = 19474560.

The previous prime is 87031199. The next prime is 87031271. The reversal of 87031230 is 3213078.

It is a self number, because there is not a number n which added to its sum of digits gives 87031230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5854 + ... + 14433.

It is an arithmetic number, because the mean of its divisors is an integer number (3834432).

Almost surely, 2^87031230 is an apocalyptic number.

87031230 is an abundant number, since it is smaller than the sum of its proper divisors (158372418).

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

87031230 is a wasteful number, since it uses less digits than its factorization.

87031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20321.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 87031230 is about 9329.0530066025. The cubic root of 87031230 is about 443.1577756033.

The spelling of 87031230 in words is "eighty-seven million, thirty-one thousand, two hundred thirty".