25942528879 has 2 divisors, whose sum is σ = 25942528880. Its totient is φ = 25942528878.

The previous prime is 25942528867. The next prime is 25942529003. The reversal of 25942528879 is 97882524952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25942528879 - 2¹⁷ = 25942397807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25942328879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12971264439 + 12971264440.

It is an arithmetic number, because the mean of its divisors is an integer number (12971264440).

Almost surely, 2^25942528879 is an apocalyptic number.

25942528879 is a deficient number, since it is larger than the sum of its proper divisors (1).

25942528879 is an equidigital number, since it uses as much as digits as its factorization.

25942528879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 61.

The spelling of 25942528879 in words is "twenty-five billion, nine hundred forty-two million, five hundred twenty-eight thousand, eight hundred seventy-nine".