87827992 has 48 divisors (see below), whose sum is σ = 192375000. Its totient is φ = 37481472.

The previous prime is 87827989. The next prime is 87828011. The reversal of 87827992 is 29972878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175759 + ... + 176257.

Almost surely, 2^87827992 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 87827992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96187500).

87827992 is an abundant number, since it is smaller than the sum of its proper divisors (104547008).

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

87827992 is a wasteful number, since it uses less digits than its factorization.

87827992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 957 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 87827992 is about 9371.6589780038. The cubic root of 87827992 is about 444.5060242637.

The spelling of 87827992 in words is "eighty-seven million, eight hundred twenty-seven thousand, nine hundred ninety-two".