25670294138879 has 24 divisors (see below), whose sum is σ = 29433667969440. Its totient is φ = 22300480770048.

The previous prime is 25670294138873. The next prime is 25670294138969. The reversal of 25670294138879 is 97883149207652.

It is not a de Polignac number, because 25670294138879 - 2²⁸ = 25670025703423 is a prime.

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670294138873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50221454 + ... + 50730020.

It is an arithmetic number, because the mean of its divisors is an integer number (1226402832060).

It is a 1-persistent number, because it is pandigital, but 2⋅25670294138879 = 51340588277758 is not.

Almost surely, 2^{25670294138879} is an apocalyptic number.

25670294138879 is a deficient number, since it is larger than the sum of its proper divisors (3763373830561).

25670294138879 is a wasteful number, since it uses less digits than its factorization.

25670294138879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526179 (or 526166 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 25670294138879 in words is "twenty-five trillion, six hundred seventy billion, two hundred ninety-four million, one hundred thirty-eight thousand, eight hundred seventy-nine".