79773057 has 48 divisors (see below), whose sum is σ = 142746240. Its totient is φ = 41803776.

The previous prime is 79773049. The next prime is 79773079. The reversal of 79773057 is 75037797.

It is not a de Polignac number, because 79773057 - 2³ = 79773049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79773037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210294 + ... + 210672.

It is an arithmetic number, because the mean of its divisors is an integer number (2973880).

Almost surely, 2^79773057 is an apocalyptic number.

It is an amenable number.

79773057 is a deficient number, since it is larger than the sum of its proper divisors (62973183).

79773057 is a wasteful number, since it uses less digits than its factorization.

79773057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 324135, while the sum is 45.

The square root of 79773057 is about 8931.5764006137. The cubic root of 79773057 is about 430.4791072266.

The spelling of 79773057 in words is "seventy-nine million, seven hundred seventy-three thousand, fifty-seven".