79920556748 has 12 divisors (see below), whose sum is σ = 147222078360. Its totient is φ = 37857105792.

The previous prime is 79920556747. The next prime is 79920556789. The reversal of 79920556748 is 84765502997.

It is not an unprimeable number, because it can be changed into a prime (79920556747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525793061 + ... + 525793212.

It is an arithmetic number, because the mean of its divisors is an integer number (12268506530).

Almost surely, 2^79920556748 is an apocalyptic number.

It is an amenable number.

79920556748 is a deficient number, since it is larger than the sum of its proper divisors (67301521612).

79920556748 is a wasteful number, since it uses less digits than its factorization.

79920556748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051586296 (or 1051586294 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 79920556748 in words is "seventy-nine billion, nine hundred twenty million, five hundred fifty-six thousand, seven hundred forty-eight".