69679660807845 has 96 divisors (see below), whose sum is σ = 134771216546304. Its totient is φ = 33013676851200.

The previous prime is 69679660807843. The next prime is 69679660807853. The reversal of 69679660807845 is 54870806697696.

It is not a de Polignac number, because 69679660807845 - 2¹ = 69679660807843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69679660807843) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12576639 + ... + 17249091.

It is an arithmetic number, because the mean of its divisors is an integer number (1403866839024).

Almost surely, 2^{69679660807845} is an apocalyptic number.

It is an amenable number.

69679660807845 is a deficient number, since it is larger than the sum of its proper divisors (65091555738459).

69679660807845 is a wasteful number, since it uses less digits than its factorization.

69679660807845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673163 (or 4673160 counting only the distinct ones).

The product of its (nonzero) digits is 6584094720, while the sum is 81.

The spelling of 69679660807845 in words is "sixty-nine trillion, six hundred seventy-nine billion, six hundred sixty million, eight hundred seven thousand, eight hundred forty-five".