87879204 has 72 divisors (see below), whose sum is σ = 255102848. Its totient is φ = 24986880.

The previous prime is 87879163. The next prime is 87879221. The reversal of 87879204 is 40297878.

It is a self number, because there is not a number n which added to its sum of digits gives 87879204.

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, 60009 + ... + 61455.

Almost surely, 2^87879204 is an apocalyptic number.

87879204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87879204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127551424).

87879204 is an abundant number, since it is smaller than the sum of its proper divisors (167223644).

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

87879204 is a wasteful number, since it uses less digits than its factorization.

87879204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1700 counting only the distinct ones).

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

The square root of 87879204 is about 9374.3908602106. The cubic root of 87879204 is about 444.5924037839.

The spelling of 87879204 in words is "eighty-seven million, eight hundred seventy-nine thousand, two hundred four".