979197897927 has 8 divisors (see below), whose sum is σ = 1362362292864. Its totient is φ = 624416050808.

The previous prime is 979197897913. The next prime is 979197897929. The reversal of 979197897927 is 729798791979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 979197897927 - 2¹⁰ = 979197896903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 979197897927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979197897929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7095636873 + ... + 7095637010.

It is an arithmetic number, because the mean of its divisors is an integer number (170295286608).

Almost surely, 2^979197897927 is an apocalyptic number.

979197897927 is a deficient number, since it is larger than the sum of its proper divisors (383164394937).

979197897927 is a wasteful number, since it uses less digits than its factorization.

979197897927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191273909.

The product of its digits is 2268426384, while the sum is 84.

The spelling of 979197897927 in words is "nine hundred seventy-nine billion, one hundred ninety-seven million, eight hundred ninety-seven thousand, nine hundred twenty-seven".