87839900 has 36 divisors (see below), whose sum is σ = 191107560. Its totient is φ = 35044800.

The previous prime is 87839861. The next prime is 87839911. The reversal of 87839900 is 993878.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 48206 + ... + 49994.

Almost surely, 2^87839900 is an apocalyptic number.

It is an amenable number.

87839900 is an abundant number, since it is smaller than the sum of its proper divisors (103267660).

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

87839900 is a wasteful number, since it uses less digits than its factorization.

87839900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 87839900 is about 9372.2942762165. The cubic root of 87839900 is about 444.5261125386.

The spelling of 87839900 in words is "eighty-seven million, eight hundred thirty-nine thousand, nine hundred".