79769722000 has 40 divisors (see below), whose sum is σ = 192883192632. Its totient is φ = 31907888000.

The previous prime is 79769721991. The next prime is 79769722003. The reversal of 79769722000 is 22796797.

It can be written as a sum of positive squares in 4 ways, for example, as 3955403664 + 75814318336 = 62892^2 + 275344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (79769722003) 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, 19940431 + ... + 19944430.

Almost surely, 2^79769722000 is an apocalyptic number.

It is an amenable number.

79769722000 is an abundant number, since it is smaller than the sum of its proper divisors (113113470632).

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

79769722000 is a wasteful number, since it uses less digits than its factorization.

79769722000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39884884 (or 39884868 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 79769722000 in words is "seventy-nine billion, seven hundred sixty-nine million, seven hundred twenty-two thousand".