79164481761 has 10 divisors (see below), whose sum is σ = 118258053122. Its totient is φ = 52776321120.

The previous prime is 79164481727. The next prime is 79164481763. The reversal of 79164481761 is 16718446197.

79164481761 is a `hidden beast` number, since 7 + 91 + 6 + 4 + 481 + 76 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43443481761 + 35721000000 = 208431^2 + 189000^2 .

It is not a de Polignac number, because 79164481761 - 2⁷ = 79164481633 is a prime.

It is a super-2 number, since 2×79164481761² (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 = 79164481698 and 79164481707.

It is not an unprimeable number, because it can be changed into a prime (79164481763) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 488669560 + ... + 488669721.

Almost surely, 2^79164481761 is an apocalyptic number.

It is an amenable number.

79164481761 is a deficient number, since it is larger than the sum of its proper divisors (39093571361).

79164481761 is an equidigital number, since it uses as much as digits as its factorization.

79164481761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977339293 (or 977339284 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The spelling of 79164481761 in words is "seventy-nine billion, one hundred sixty-four million, four hundred eighty-one thousand, seven hundred sixty-one".