79655623747 has 8 divisors (see below), whose sum is σ = 94993042176. Its totient is φ = 65307716232.

The previous prime is 79655623687. The next prime is 79655623787. The reversal of 79655623747 is 74732655697.

It is a happy number.

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 79655623747 - 2¹⁵ = 79655590979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79655623787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247377553 + ... + 247377874.

It is an arithmetic number, because the mean of its divisors is an integer number (11874130272).

Almost surely, 2^79655623747 is an apocalyptic number.

79655623747 is a deficient number, since it is larger than the sum of its proper divisors (15337418429).

79655623747 is a wasteful number, since it uses less digits than its factorization.

79655623747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494755457.

The product of its digits is 66679200, while the sum is 61.

The spelling of 79655623747 in words is "seventy-nine billion, six hundred fifty-five million, six hundred twenty-three thousand, seven hundred forty-seven".