87908692 has 12 divisors (see below), whose sum is σ = 154103796. Its totient is φ = 43879040.

The previous prime is 87908677. The next prime is 87908693. The reversal of 87908692 is 29680978.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67963536 + 19945156 = 8244^2 + 4466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87908693) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16159 + ... + 20902.

It is an arithmetic number, because the mean of its divisors is an integer number (12841983).

Almost surely, 2^87908692 is an apocalyptic number.

It is an amenable number.

87908692 is a deficient number, since it is larger than the sum of its proper divisors (66195104).

87908692 is a wasteful number, since it uses less digits than its factorization.

87908692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658 (or 37656 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 87908692 is about 9375.9635238198. The cubic root of 87908692 is about 444.6421261077.

The spelling of 87908692 in words is "eighty-seven million, nine hundred eight thousand, six hundred ninety-two".