979794109 has 8 divisors (see below), whose sum is σ = 1178699840. Its totient is φ = 795622176.

The previous prime is 979794083. The next prime is 979794119. The reversal of 979794109 is 901497979.

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 979794109 - 2⁷ = 979793981 is a prime.

It is a super-2 number, since 2×979794109² = 1919992992062207762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979794109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979794119) 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, 3683304 + ... + 3683569.

It is an arithmetic number, because the mean of its divisors is an integer number (147337480).

Almost surely, 2^979794109 is an apocalyptic number.

It is an amenable number.

979794109 is a deficient number, since it is larger than the sum of its proper divisors (198905731).

979794109 is a wasteful number, since it uses less digits than its factorization.

979794109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366899.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 979794109 is about 31301.6630388866. The cubic root of 979794109 is about 993.2188225755.

The spelling of 979794109 in words is "nine hundred seventy-nine million, seven hundred ninety-four thousand, one hundred nine".