816790796679 has 32 divisors (see below), whose sum is σ = 1296975262464. Its totient is φ = 450686350080.

The previous prime is 816790796663. The next prime is 816790796753. The reversal of 816790796679 is 976697097618.

It is a happy number.

It is not a de Polignac number, because 816790796679 - 2⁴ = 816790796663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 816790796679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816790796639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13009377 + ... + 13072010.

It is an arithmetic number, because the mean of its divisors is an integer number (40530476952).

Almost surely, 2^816790796679 is an apocalyptic number.

816790796679 is a deficient number, since it is larger than the sum of its proper divisors (480184465785).

816790796679 is a wasteful number, since it uses less digits than its factorization.

816790796679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26081487.

The product of its (nonzero) digits is 432081216, while the sum is 75.

The spelling of 816790796679 in words is "eight hundred sixteen billion, seven hundred ninety million, seven hundred ninety-six thousand, six hundred seventy-nine".