113278279 has 2 divisors, whose sum is σ = 113278280. Its totient is φ = 113278278.

The previous prime is 113278223. The next prime is 113278301. The reversal of 113278279 is 972872311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113278279 - 2¹⁷ = 113147207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113276279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56639139 + 56639140.

It is an arithmetic number, because the mean of its divisors is an integer number (56639140).

Almost surely, 2^113278279 is an apocalyptic number.

113278279 is a deficient number, since it is larger than the sum of its proper divisors (1).

113278279 is an equidigital number, since it uses as much as digits as its factorization.

113278279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 113278279 is about 10643.2269072871. The cubic root of 113278279 is about 483.8553500187.

The spelling of 113278279 in words is "one hundred thirteen million, two hundred seventy-eight thousand, two hundred seventy-nine".