99979092 has 72 divisors (see below), whose sum is σ = 263757312. Its totient is φ = 31896000.

The previous prime is 99979081. The next prime is 99979109. The reversal of 99979092 is 29097999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112273 + ... + 113159.

It is an arithmetic number, because the mean of its divisors is an integer number (3663296).

Almost surely, 2^99979092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99979092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131878656).

99979092 is an abundant number, since it is smaller than the sum of its proper divisors (163778220).

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

99979092 is a wasteful number, since it uses less digits than its factorization.

99979092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 54.

The square root of 99979092 is about 9998.9545453512. The cubic root of 99979092 is about 464.1265323267.

The spelling of 99979092 in words is "ninety-nine million, nine hundred seventy-nine thousand, ninety-two".