115863679 has 2 divisors, whose sum is σ = 115863680. Its totient is φ = 115863678.

The previous prime is 115863641. The next prime is 115863689. The reversal of 115863679 is 976368511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (976368511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115863679 is a prime.

It is a super-2 number, since 2×115863679² = 26848784222830082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115863689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57931839 + 57931840.

It is an arithmetic number, because the mean of its divisors is an integer number (57931840).

Almost surely, 2^115863679 is an apocalyptic number.

115863679 is a deficient number, since it is larger than the sum of its proper divisors (1).

115863679 is an equidigital number, since it uses as much as digits as its factorization.

115863679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 115863679 is about 10763.9992103307. Note that the first 3 decimals coincide. The cubic root of 115863679 is about 487.5087759981.

The spelling of 115863679 in words is "one hundred fifteen million, eight hundred sixty-three thousand, six hundred seventy-nine".