79705714757769 has 20 divisors (see below), whose sum is σ = 119067971132880. Its totient is φ = 53136514102680.

The previous prime is 79705714757741. The next prime is 79705714757813. The reversal of 79705714757769 is 96775741750797.

79705714757769 is a `hidden beast` number, since 7 + 9 + 7 + 0 + 5 + 71 + 475 + 7 + 76 + 9 = 666.

It is not a de Polignac number, because 79705714757769 - 2¹¹ = 79705714755721 is a prime.

It is a super-2 number, since 2×79705714757769² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (79705714757269) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1110202 + ... + 12674540.

It is an arithmetic number, because the mean of its divisors is an integer number (5953398556644).

Almost surely, 2^{79705714757769} is an apocalyptic number.

It is an amenable number.

79705714757769 is a deficient number, since it is larger than the sum of its proper divisors (39362256375111).

79705714757769 is a wasteful number, since it uses less digits than its factorization.

79705714757769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649442 (or 11649433 counting only the distinct ones).

The product of its (nonzero) digits is 5717741400, while the sum is 81.

The spelling of 79705714757769 in words is "seventy-nine trillion, seven hundred five billion, seven hundred fourteen million, seven hundred fifty-seven thousand, seven hundred sixty-nine".