979763117 has 4 divisors (see below), whose sum is σ = 979889820. Its totient is φ = 979636416.

The previous prime is 979763111. The next prime is 979763119. The reversal of 979763117 is 711367979.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 518973961 + 460789156 = 22781^2 + 21466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979763117 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 (979763111) 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, 50942 + ... + 67487.

It is an arithmetic number, because the mean of its divisors is an integer number (244972455).

Almost surely, 2^979763117 is an apocalyptic number.

It is an amenable number.

979763117 is a deficient number, since it is larger than the sum of its proper divisors (126703).

979763117 is a wasteful number, since it uses less digits than its factorization.

979763117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126702.

The product of its digits is 500094, while the sum is 50.

The square root of 979763117 is about 31301.1679814029. The cubic root of 979763117 is about 993.2083502521.

The spelling of 979763117 in words is "nine hundred seventy-nine million, seven hundred sixty-three thousand, one hundred seventeen".