116979971 has 4 divisors (see below), whose sum is σ = 117093600. Its totient is φ = 116866344.

The previous prime is 116979959. The next prime is 116979983. The reversal of 116979971 is 179979611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179979611 = 7 ⋅25711373.

It is an interprime number because it is at equal distance from previous prime (116979959) and next prime (116979983).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116979971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116979911) 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, 55256 + ... + 57333.

It is an arithmetic number, because the mean of its divisors is an integer number (29273400).

Almost surely, 2^116979971 is an apocalyptic number.

116979971 is a deficient number, since it is larger than the sum of its proper divisors (113629).

116979971 is a wasteful number, since it uses less digits than its factorization.

116979971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113628.

The product of its digits is 214326, while the sum is 50.

The square root of 116979971 is about 10815.7279459128. The cubic root of 116979971 is about 489.0694138550.

The spelling of 116979971 in words is "one hundred sixteen million, nine hundred seventy-nine thousand, nine hundred seventy-one".