79055717 has 8 divisors (see below), whose sum is σ = 87438456. Its totient is φ = 71001792.

The previous prime is 79055707. The next prime is 79055719. The reversal of 79055717 is 71755097.

It can be written as a sum of positive squares in 4 ways, for example, as 2563201 + 76492516 = 1601^2 + 8746^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79055717 - 2⁸ = 79055461 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 (79055719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81698 + ... + 82659.

It is an arithmetic number, because the mean of its divisors is an integer number (10929807).

Almost surely, 2^79055717 is an apocalyptic number.

It is an amenable number.

79055717 is a deficient number, since it is larger than the sum of its proper divisors (8382739).

79055717 is a wasteful number, since it uses less digits than its factorization.

79055717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164407.

The product of its (nonzero) digits is 77175, while the sum is 41.

The square root of 79055717 is about 8891.3281909960. The cubic root of 79055717 is about 429.1848935776.

The spelling of 79055717 in words is "seventy-nine million, fifty-five thousand, seven hundred seventeen".