79551964692 has 36 divisors (see below), whose sum is σ = 201098881620. Its totient is φ = 26516109312.

The previous prime is 79551964643. The next prime is 79551964699. The reversal of 79551964692 is 29646915597.

79551964692 is a `hidden beast` number, since 79 + 5 + 519 + 6 + 46 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3604321296 + 75947643396 = 60036^2 + 275586^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79551964699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118548 + ... + 1187540.

It is an arithmetic number, because the mean of its divisors is an integer number (5586080045).

Almost surely, 2^79551964692 is an apocalyptic number.

It is an amenable number.

79551964692 is an abundant number, since it is smaller than the sum of its proper divisors (121546916928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79551964692 is a wasteful number, since it uses less digits than its factorization.

79551964692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101032 (or 101027 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 79551964692 in words is "seventy-nine billion, five hundred fifty-one million, nine hundred sixty-four thousand, six hundred ninety-two".