99789508 has 24 divisors (see below), whose sum is σ = 214932032. Its totient is φ = 39477024.

The previous prime is 99789499. The next prime is 99789581. The reversal of 99789508 is 80598799.

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, 136710 + ... + 137437.

Almost surely, 2^99789508 is an apocalyptic number.

It is an amenable number.

99789508 is an abundant number, since it is smaller than the sum of its proper divisors (115142524).

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

99789508 is a wasteful number, since it uses less digits than its factorization.

99789508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274171 (or 274169 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 99789508 is about 9989.4698558032. The cubic root of 99789508 is about 463.8329821500.

The spelling of 99789508 in words is "ninety-nine million, seven hundred eighty-nine thousand, five hundred eight".