79045077 has 4 divisors (see below), whose sum is σ = 105393440. Its totient is φ = 52696716.

The previous prime is 79045069. The next prime is 79045079. The reversal of 79045077 is 77054097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 79045077 - 2³ = 79045069 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 (79045079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13174177 + ... + 13174182.

It is an arithmetic number, because the mean of its divisors is an integer number (26348360).

Almost surely, 2^79045077 is an apocalyptic number.

It is an amenable number.

79045077 is a deficient number, since it is larger than the sum of its proper divisors (26348363).

79045077 is a wasteful number, since it uses less digits than its factorization.

79045077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26348362.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 79045077 is about 8890.7298350585. The cubic root of 79045077 is about 429.1656382460.

The spelling of 79045077 in words is "seventy-nine million, forty-five thousand, seventy-seven".