79099488 has 144 divisors (see below), whose sum is σ = 249224976. Its totient is φ = 23639040.

The previous prime is 79099477. The next prime is 79099511. The reversal of 79099488 is 88499097.

79099488 is a `hidden beast` number, since 79 + 0 + 99 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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, 138243 + ... + 138813.

It is an arithmetic number, because the mean of its divisors is an integer number (1730729).

Almost surely, 2^79099488 is an apocalyptic number.

79099488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79099488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124612488).

79099488 is an abundant number, since it is smaller than the sum of its proper divisors (170125488).

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

79099488 is a wasteful number, since it uses less digits than its factorization.

79099488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 79099488 is about 8893.7892936588. The cubic root of 79099488 is about 429.2640882970.

The spelling of 79099488 in words is "seventy-nine million, ninety-nine thousand, four hundred eighty-eight".