25797379627 has 2 divisors, whose sum is σ = 25797379628. Its totient is φ = 25797379626.

The previous prime is 25797379567. The next prime is 25797379661. The reversal of 25797379627 is 72697379752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25797379627 - 2¹⁵ = 25797346859 is a prime.

It is not a weakly prime, because it can be changed into another prime (25797379687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12898689813 + 12898689814.

It is an arithmetic number, because the mean of its divisors is an integer number (12898689814).

Almost surely, 2^25797379627 is an apocalyptic number.

25797379627 is a deficient number, since it is larger than the sum of its proper divisors (1).

25797379627 is an equidigital number, since it uses as much as digits as its factorization.

25797379627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70013160, while the sum is 64.

The spelling of 25797379627 in words is "twenty-five billion, seven hundred ninety-seven million, three hundred seventy-nine thousand, six hundred twenty-seven".