79345557 has 12 divisors (see below), whose sum is σ = 114796864. Its totient is φ = 52810920.

The previous prime is 79345543. The next prime is 79345573. The reversal of 79345557 is 75554397.

79345557 is a `hidden beast` number, since 7 + 93 + 4 + 5 + 557 = 666.

It is not a de Polignac number, because 79345557 - 2⁷ = 79345429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79345597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069 + ... + 12642.

Almost surely, 2^79345557 is an apocalyptic number.

It is an amenable number.

79345557 is a deficient number, since it is larger than the sum of its proper divisors (35451307).

79345557 is a wasteful number, since it uses less digits than its factorization.

79345557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14360 (or 14357 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 79345557 is about 8907.6123063366. The cubic root of 79345557 is about 429.7087571729.

The spelling of 79345557 in words is "seventy-nine million, three hundred forty-five thousand, five hundred fifty-seven".