25867610623 has 2 divisors, whose sum is σ = 25867610624. Its totient is φ = 25867610622.

The previous prime is 25867610609. The next prime is 25867610677. The reversal of 25867610623 is 32601676852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25867610623 - 2²⁵ = 25834056191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25867610683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12933805311 + 12933805312.

It is an arithmetic number, because the mean of its divisors is an integer number (12933805312).

Almost surely, 2^25867610623 is an apocalyptic number.

25867610623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25867610623 is an equidigital number, since it uses as much as digits as its factorization.

25867610623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 25867610623 in words is "twenty-five billion, eight hundred sixty-seven million, six hundred ten thousand, six hundred twenty-three".