79900122100997 has 16 divisors (see below), whose sum is σ = 91751664652800. Its totient is φ = 68813256086640.

The previous prime is 79900122100979. The next prime is 79900122100999.

79900122100997 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 79900122100997 - 2⁶ = 79900122100933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79900122100999) 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, 81364478 + ... + 82340624.

It is an arithmetic number, because the mean of its divisors is an integer number (5734479040800).

Almost surely, 2^{79900122100997} is an apocalyptic number.

It is an amenable number.

79900122100997 is a deficient number, since it is larger than the sum of its proper divisors (11851542551803).

79900122100997 is a wasteful number, since it uses less digits than its factorization.

79900122100997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367816.

The product of its (nonzero) digits is 1285956, while the sum is 56.

The spelling of 79900122100997 in words is "seventy-nine trillion, nine hundred billion, one hundred twenty-two million, one hundred thousand, nine hundred ninety-seven".