87299872 has 48 divisors (see below), whose sum is σ = 192592512. Its totient is φ = 38603520.

The previous prime is 87299869. The next prime is 87299893. The reversal of 87299872 is 27899278.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9673 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (4012344).

Almost surely, 2^87299872 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 87299872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96296256).

87299872 is an abundant number, since it is smaller than the sum of its proper divisors (105292640).

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

87299872 is a wasteful number, since it uses less digits than its factorization.

87299872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6753 counting only the distinct ones).

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

The square root of 87299872 is about 9343.4400517154. The cubic root of 87299872 is about 443.6132768763.

The spelling of 87299872 in words is "eighty-seven million, two hundred ninety-nine thousand, eight hundred seventy-two".