116171279 has 4 divisors (see below), whose sum is σ = 132767184. Its totient is φ = 99575376.

The previous prime is 116171273. The next prime is 116171287. The reversal of 116171279 is 972171611.

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

It is a cyclic number.

It is not a de Polignac number, because 116171279 - 2²⁰ = 115122703 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 (116171273) 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, 8297942 + ... + 8297955.

It is an arithmetic number, because the mean of its divisors is an integer number (33191796).

Almost surely, 2^116171279 is an apocalyptic number.

116171279 is a deficient number, since it is larger than the sum of its proper divisors (16595905).

116171279 is an equidigital number, since it uses as much as digits as its factorization.

116171279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16595904.

The product of its digits is 5292, while the sum is 35.

The square root of 116171279 is about 10778.2781092343. The cubic root of 116171279 is about 487.9398147020.

The spelling of 116171279 in words is "one hundred sixteen million, one hundred seventy-one thousand, two hundred seventy-nine".