87043264 has 112 divisors (see below), whose sum is σ = 228234240. Its totient is φ = 31887360.

The previous prime is 87043259. The next prime is 87043273. The reversal of 87043264 is 46234078.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 83257 + ... + 84295.

Almost surely, 2^87043264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87043264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114117120).

87043264 is an abundant number, since it is smaller than the sum of its proper divisors (141190976).

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

87043264 is a wasteful number, since it uses less digits than its factorization.

87043264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 87043264 is about 9329.6979586694. The cubic root of 87043264 is about 443.1782001294.

The spelling of 87043264 in words is "eighty-seven million, forty-three thousand, two hundred sixty-four".