979192271 has 4 divisors (see below), whose sum is σ = 1021765872. Its totient is φ = 936618672.

The previous prime is 979192237. The next prime is 979192297. The reversal of 979192271 is 172291979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979192271 - 2¹⁰ = 979191247 is a prime.

It is a super-2 number, since 2×979192271² = 1917635007172274882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979192211) 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, 21286766 + ... + 21286811.

It is an arithmetic number, because the mean of its divisors is an integer number (255441468).

Almost surely, 2^979192271 is an apocalyptic number.

979192271 is a deficient number, since it is larger than the sum of its proper divisors (42573601).

979192271 is a wasteful number, since it uses less digits than its factorization.

979192271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42573600.

The product of its digits is 142884, while the sum is 47.

The square root of 979192271 is about 31292.0480473874. The cubic root of 979192271 is about 993.0154195487.

The spelling of 979192271 in words is "nine hundred seventy-nine million, one hundred ninety-two thousand, two hundred seventy-one".