79551964766 has 16 divisors (see below), whose sum is σ = 127329032400. Its totient is φ = 37166309568.

The previous prime is 79551964757. The next prime is 79551964769. The reversal of 79551964766 is 66746915597.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79551964769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14336081 + ... + 14341628.

It is an arithmetic number, because the mean of its divisors is an integer number (7958064525).

Almost surely, 2^79551964766 is an apocalyptic number.

79551964766 is a deficient number, since it is larger than the sum of its proper divisors (47777067634).

79551964766 is a wasteful number, since it uses less digits than its factorization.

79551964766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28677803.

The product of its digits is 85730400, while the sum is 65.

The spelling of 79551964766 in words is "seventy-nine billion, five hundred fifty-one million, nine hundred sixty-four thousand, seven hundred sixty-six".