79777996103 has 16 divisors (see below), whose sum is σ = 88048168992. Its totient is φ = 71814144000.

The previous prime is 79777996099. The next prime is 79777996139. The reversal of 79777996103 is 30169977797.

It is a cyclic number.

It is not a de Polignac number, because 79777996103 - 2² = 79777996099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79777996103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79777996153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254023 + ... + 1316103.

It is an arithmetic number, because the mean of its divisors is an integer number (5503010562).

Almost surely, 2^79777996103 is an apocalyptic number.

79777996103 is a deficient number, since it is larger than the sum of its proper divisors (8270172889).

79777996103 is a wasteful number, since it uses less digits than its factorization.

79777996103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64546.

The product of its (nonzero) digits is 31505922, while the sum is 65.

The spelling of 79777996103 in words is "seventy-nine billion, seven hundred seventy-seven million, nine hundred ninety-six thousand, one hundred three".