79479099 has 24 divisors (see below), whose sum is σ = 136910592. Its totient is φ = 43441200.

The previous prime is 79479083. The next prime is 79479139. The reversal of 79479099 is 99097497.

It is not a de Polignac number, because 79479099 - 2⁴ = 79479083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79479019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25977 + ... + 28874.

It is an arithmetic number, because the mean of its divisors is an integer number (5704608).

Almost surely, 2^79479099 is an apocalyptic number.

79479099 is a deficient number, since it is larger than the sum of its proper divisors (57431493).

79479099 is a wasteful number, since it uses less digits than its factorization.

79479099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54887 (or 54884 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 79479099 is about 8915.1051031382. The cubic root of 79479099 is about 429.9496948542.

The spelling of 79479099 in words is "seventy-nine million, four hundred seventy-nine thousand, ninety-nine".