113891779 has 2 divisors, whose sum is σ = 113891780. Its totient is φ = 113891778.

The previous prime is 113891773. The next prime is 113891783. The reversal of 113891779 is 977198311.

It is a strong prime.

It is an emirp because it is prime and its reverse (977198311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113891779 - 2⁵ = 113891747 is a prime.

It is a pancake number, because a pancake can be divided into 113891779 parts by 15092 straight cuts.

It is not a weakly prime, because it can be changed into another prime (113891773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56945889 + 56945890.

It is an arithmetic number, because the mean of its divisors is an integer number (56945890).

Almost surely, 2^113891779 is an apocalyptic number.

113891779 is a deficient number, since it is larger than the sum of its proper divisors (1).

113891779 is an equidigital number, since it uses as much as digits as its factorization.

113891779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 46.

The square root of 113891779 is about 10672.0091360531. The cubic root of 113891779 is about 484.7272764376.

The spelling of 113891779 in words is "one hundred thirteen million, eight hundred ninety-one thousand, seven hundred seventy-nine".