979791345167 has 4 divisors (see below), whose sum is σ = 979794398520. Its totient is φ = 979788291816.

The previous prime is 979791345163. The next prime is 979791345199. The reversal of 979791345167 is 761543197979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761543197979 = 2731 ⋅278851409.

It is a cyclic number.

It is not a de Polignac number, because 979791345167 - 2² = 979791345163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 979791345097 and 979791345106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979791345163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980117 + ... + 1708862.

It is an arithmetic number, because the mean of its divisors is an integer number (244948599630).

Almost surely, 2^979791345167 is an apocalyptic number.

979791345167 is a deficient number, since it is larger than the sum of its proper divisors (3053353).

979791345167 is a wasteful number, since it uses less digits than its factorization.

979791345167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053352.

The product of its digits is 90016920, while the sum is 68.

The spelling of 979791345167 in words is "nine hundred seventy-nine billion, seven hundred ninety-one million, three hundred forty-five thousand, one hundred sixty-seven".