979618173 has 16 divisors (see below), whose sum is σ = 1352350080. Its totient is φ = 630021056.

The previous prime is 979618151. The next prime is 979618177. The reversal of 979618173 is 371816979.

It is not a de Polignac number, because 979618173 - 2⁵ = 979618141 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979618177) 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, 114811 + ... + 123047.

It is an arithmetic number, because the mean of its divisors is an integer number (84521880).

Almost surely, 2^979618173 is an apocalyptic number.

It is an amenable number.

979618173 is a deficient number, since it is larger than the sum of its proper divisors (372731907).

979618173 is a wasteful number, since it uses less digits than its factorization.

979618173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636.

The product of its digits is 571536, while the sum is 51.

The square root of 979618173 is about 31298.8525828025. The cubic root of 979618173 is about 993.1593701506.

The spelling of 979618173 in words is "nine hundred seventy-nine million, six hundred eighteen thousand, one hundred seventy-three".