79977946043199 has 64 divisors (see below), whose sum is σ = 116443615232000. Its totient is φ = 48641355100800.

The previous prime is 79977946043179. The next prime is 79977946043321. The reversal of 79977946043199 is 99134064977997.

It is not a de Polignac number, because 79977946043199 - 2¹¹ = 79977946041151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79977946043119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2096443377 + ... + 2096481525.

It is an arithmetic number, because the mean of its divisors is an integer number (1819431488000).

Almost surely, 2^{79977946043199} is an apocalyptic number.

79977946043199 is a deficient number, since it is larger than the sum of its proper divisors (36465669188801).

79977946043199 is a wasteful number, since it uses less digits than its factorization.

79977946043199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44036.

The product of its (nonzero) digits is 5833096416, while the sum is 84.

The spelling of 79977946043199 in words is "seventy-nine trillion, nine hundred seventy-seven billion, nine hundred forty-six million, forty-three thousand, one hundred ninety-nine".