878130579427 has 2 divisors, whose sum is σ = 878130579428. Its totient is φ = 878130579426.

The previous prime is 878130579421. The next prime is 878130579493. The reversal of 878130579427 is 724975031878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878130579427 - 2⁷ = 878130579299 is a prime.

It is a super-2 number, since 2×878130579427² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (878130579421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439065289713 + 439065289714.

It is an arithmetic number, because the mean of its divisors is an integer number (439065289714).

Almost surely, 2^878130579427 is an apocalyptic number.

878130579427 is a deficient number, since it is larger than the sum of its proper divisors (1).

878130579427 is an equidigital number, since it uses as much as digits as its factorization.

878130579427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 878130579427 in words is "eight hundred seventy-eight billion, one hundred thirty million, five hundred seventy-nine thousand, four hundred twenty-seven".