79550796772 has 6 divisors (see below), whose sum is σ = 139213894358. Its totient is φ = 39775398384.

The previous prime is 79550796701. The next prime is 79550796781. The reversal of 79550796772 is 27769705597.

It can be written as a sum of positive squares in only one way, i.e., 74591256996 + 4959539776 = 273114^2 + 70424^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9943849593 + ... + 9943849600.

Almost surely, 2^79550796772 is an apocalyptic number.

It is an amenable number.

79550796772 is a deficient number, since it is larger than the sum of its proper divisors (59663097586).

79550796772 is a wasteful number, since it uses less digits than its factorization.

79550796772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19887699197 (or 19887699195 counting only the distinct ones).

The product of its (nonzero) digits is 58344300, while the sum is 64.

The spelling of 79550796772 in words is "seventy-nine billion, five hundred fifty million, seven hundred ninety-six thousand, seven hundred seventy-two".