115492687879 has 2 divisors, whose sum is σ = 115492687880. Its totient is φ = 115492687878.

The previous prime is 115492687873. The next prime is 115492687897. The reversal of 115492687879 is 978786294511.

Together with next prime (115492687897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115492687879 - 2³⁵ = 81132949511 is a prime.

It is a super-2 number, since 2×115492687879² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115492687873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57746343939 + 57746343940.

It is an arithmetic number, because the mean of its divisors is an integer number (57746343940).

Almost surely, 2^115492687879 is an apocalyptic number.

115492687879 is a deficient number, since it is larger than the sum of its proper divisors (1).

115492687879 is an equidigital number, since it uses as much as digits as its factorization.

115492687879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 67.

The spelling of 115492687879 in words is "one hundred fifteen billion, four hundred ninety-two million, six hundred eighty-seven thousand, eight hundred seventy-nine".