116412861779 has 4 divisors (see below), whose sum is σ = 121474290576. Its totient is φ = 111351432984.

The previous prime is 116412861767. The next prime is 116412861811. The reversal of 116412861779 is 977168214611.

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 116412861779 - 2²⁸ = 116144426323 is a prime.

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 116412861779.

It is not an unprimeable number, because it can be changed into a prime (116412861739) 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, 2530714364 + ... + 2530714409.

It is an arithmetic number, because the mean of its divisors is an integer number (30368572644).

Almost surely, 2^116412861779 is an apocalyptic number.

116412861779 is a deficient number, since it is larger than the sum of its proper divisors (5061428797).

116412861779 is an equidigital number, since it uses as much as digits as its factorization.

116412861779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061428796.

The product of its digits is 1016064, while the sum is 53.

The spelling of 116412861779 in words is "one hundred sixteen billion, four hundred twelve million, eight hundred sixty-one thousand, seven hundred seventy-nine".