79997455269 has 12 divisors (see below), whose sum is σ = 116673744096. Its totient is φ = 52813853352.

The previous prime is 79997455229. The next prime is 79997455309. The reversal of 79997455269 is 96255479997.

79997455269 is a `hidden beast` number, since 7 + 9 + 9 + 9 + 7 + 4 + 552 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (79997455229) and next prime (79997455309).

It is not a de Polignac number, because 79997455269 - 2¹⁶ = 79997389733 is a prime.

It is a super-2 number, since 2×79997455269² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79997455197 and 79997455206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79997455229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43147647 + ... + 43149500.

It is an arithmetic number, because the mean of its divisors is an integer number (9722812008).

Almost surely, 2^79997455269 is an apocalyptic number.

It is an amenable number.

79997455269 is a deficient number, since it is larger than the sum of its proper divisors (36676288827).

79997455269 is a wasteful number, since it uses less digits than its factorization.

79997455269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86297256 (or 86297253 counting only the distinct ones).

The product of its digits is 385786800, while the sum is 72.

The spelling of 79997455269 in words is "seventy-nine billion, nine hundred ninety-seven million, four hundred fifty-five thousand, two hundred sixty-nine".