87879902 has 64 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 34951680.

The previous prime is 87879901. The next prime is 87879907. The reversal of 87879902 is 20997878.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87879901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589724 + ... + 589872.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^87879902 is an apocalyptic number.

87879902 is a deficient number, since it is larger than the sum of its proper divisors (75416098).

87879902 is a wasteful number, since it uses less digits than its factorization.

87879902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 87879902 is about 9374.4280892223. The cubic root of 87879902 is about 444.5935808719.

The spelling of 87879902 in words is "eighty-seven million, eight hundred seventy-nine thousand, nine hundred two".