99979852 has 24 divisors (see below), whose sum is σ = 200503296. Its totient is φ = 42732048.

The previous prime is 99979819. The next prime is 99979871. The reversal of 99979852 is 25897999.

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, 6063 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (8354304).

Almost surely, 2^99979852 is an apocalyptic number.

It is an amenable number.

99979852 is an abundant number, since it is smaller than the sum of its proper divisors (100523444).

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

99979852 is a wasteful number, since it uses less digits than its factorization.

99979852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717 (or 9715 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 58.

The square root of 99979852 is about 9998.9925492521. The cubic root of 99979852 is about 464.1277083569.

The spelling of 99979852 in words is "ninety-nine million, nine hundred seventy-nine thousand, eight hundred fifty-two".