130688879 has 2 divisors, whose sum is σ = 130688880. Its totient is φ = 130688878.

The previous prime is 130688863. The next prime is 130688891. The reversal of 130688879 is 978886031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130688879 - 2⁴ = 130688863 is a prime.

It is a Sophie Germain 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 (130685879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65344439 + 65344440.

It is an arithmetic number, because the mean of its divisors is an integer number (65344440).

Almost surely, 2^130688879 is an apocalyptic number.

130688879 is a deficient number, since it is larger than the sum of its proper divisors (1).

130688879 is an equidigital number, since it uses as much as digits as its factorization.

130688879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 130688879 is about 11431.9236788915. The cubic root of 130688879 is about 507.4729263142.

The spelling of 130688879 in words is "one hundred thirty million, six hundred eighty-eight thousand, eight hundred seventy-nine".