979344191 has 4 divisors (see below), whose sum is σ = 1119250512. Its totient is φ = 839437872.

The previous prime is 979344187. The next prime is 979344199. The reversal of 979344191 is 191443979.

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

It is not a de Polignac number, because 979344191 - 2² = 979344187 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 (979344199) 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, 69953150 + ... + 69953163.

It is an arithmetic number, because the mean of its divisors is an integer number (279812628).

Almost surely, 2^979344191 is an apocalyptic number.

979344191 is a deficient number, since it is larger than the sum of its proper divisors (139906321).

979344191 is a wasteful number, since it uses less digits than its factorization.

979344191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139906320.

The product of its digits is 244944, while the sum is 47.

The square root of 979344191 is about 31294.4754070107. The cubic root of 979344191 is about 993.0667717723.

The spelling of 979344191 in words is "nine hundred seventy-nine million, three hundred forty-four thousand, one hundred ninety-one".