115777679 has 2 divisors, whose sum is σ = 115777680. Its totient is φ = 115777678.

The previous prime is 115777663. The next prime is 115777691. The reversal of 115777679 is 976777511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115777679 - 2⁴ = 115777663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115777639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57888839 + 57888840.

It is an arithmetic number, because the mean of its divisors is an integer number (57888840).

Almost surely, 2^115777679 is an apocalyptic number.

115777679 is a deficient number, since it is larger than the sum of its proper divisors (1).

115777679 is an equidigital number, since it uses as much as digits as its factorization.

115777679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648270, while the sum is 50.

The square root of 115777679 is about 10760.0036710031. The cubic root of 115777679 is about 487.3881280880.

The spelling of 115777679 in words is "one hundred fifteen million, seven hundred seventy-seven thousand, six hundred seventy-nine".