87064884 has 72 divisors (see below), whose sum is σ = 226044000. Its totient is φ = 28246464.

The previous prime is 87064847. The next prime is 87064891. The reversal of 87064884 is 48846078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380082 + ... + 380310.

It is an arithmetic number, because the mean of its divisors is an integer number (3139500).

Almost surely, 2^87064884 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 87064884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113022000).

87064884 is an abundant number, since it is smaller than the sum of its proper divisors (138979116).

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

87064884 is a wasteful number, since it uses less digits than its factorization.

87064884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 87064884 is about 9330.8565523214. The cubic root of 87064884 is about 443.2148896217.

The spelling of 87064884 in words is "eighty-seven million, sixty-four thousand, eight hundred eighty-four".