79077756761 has 8 divisors (see below), whose sum is σ = 80788627584. Its totient is φ = 77368067920.

The previous prime is 79077756739. The next prime is 79077756773. The reversal of 79077756761 is 16765777097.

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 79077756761 - 2¹⁴ = 79077740377 is a prime.

It is a super-2 number, since 2×79077756761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79077756694 and 79077756703.

It is not an unprimeable number, because it can be changed into a prime (79077756721) 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, 159575 + ... + 428508.

It is an arithmetic number, because the mean of its divisors is an integer number (10098578448).

Almost surely, 2^79077756761 is an apocalyptic number.

It is an amenable number.

79077756761 is a deficient number, since it is larger than the sum of its proper divisors (1710870823).

79077756761 is a wasteful number, since it uses less digits than its factorization.

79077756761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590991.

The product of its (nonzero) digits is 27227340, while the sum is 62.

The spelling of 79077756761 in words is "seventy-nine billion, seventy-seven million, seven hundred fifty-six thousand, seven hundred sixty-one".