87910992 has 120 divisors (see below), whose sum is σ = 267566208. Its totient is φ = 26784000.

The previous prime is 87910987. The next prime is 87911023. The reversal of 87910992 is 29901978.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282517 + ... + 282827.

Almost surely, 2^87910992 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 87910992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133783104).

87910992 is an abundant number, since it is smaller than the sum of its proper divisors (179655216).

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

87910992 is a wasteful number, since it uses less digits than its factorization.

87910992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 87910992 is about 9376.0861770784. The cubic root of 87910992 is about 444.6460038735.

The spelling of 87910992 in words is "eighty-seven million, nine hundred ten thousand, nine hundred ninety-two".