115635979 has 2 divisors, whose sum is σ = 115635980. Its totient is φ = 115635978.

The previous prime is 115635967. The next prime is 115635991. The reversal of 115635979 is 979536511.

It is a balanced prime because it is at equal distance from previous prime (115635967) and next prime (115635991).

It is an emirp because it is prime and its reverse (979536511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115635979 - 2⁷ = 115635851 is a prime.

It is not a weakly prime, because it can be changed into another prime (115635379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57817989 + 57817990.

It is an arithmetic number, because the mean of its divisors is an integer number (57817990).

Almost surely, 2^115635979 is an apocalyptic number.

115635979 is a deficient number, since it is larger than the sum of its proper divisors (1).

115635979 is an equidigital number, since it uses as much as digits as its factorization.

115635979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 46.

The square root of 115635979 is about 10753.4170848154. The cubic root of 115635979 is about 487.1892092267.

The spelling of 115635979 in words is "one hundred fifteen million, six hundred thirty-five thousand, nine hundred seventy-nine".