87928704 has 96 divisors (see below), whose sum is σ = 255440640. Its totient is φ = 29030400.

The previous prime is 87928699. The next prime is 87928717. The reversal of 87928704 is 40782978.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 87928704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146004 + ... + 146604.

It is an arithmetic number, because the mean of its divisors is an integer number (2660840).

Almost surely, 2^87928704 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 87928704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127720320).

87928704 is an abundant number, since it is smaller than the sum of its proper divisors (167511936).

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

87928704 is a wasteful number, since it uses less digits than its factorization.

87928704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 87928704 is about 9377.0306600757. The cubic root of 87928704 is about 444.6758637768.

The spelling of 87928704 in words is "eighty-seven million, nine hundred twenty-eight thousand, seven hundred four".