25881292767 has 16 divisors (see below), whose sum is σ = 37870947072. Its totient is φ = 15591702720.

The previous prime is 25881292739. The next prime is 25881292771. The reversal of 25881292767 is 76729218852.

It is not a de Polignac number, because 25881292767 - 2¹⁶ = 25881227231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25881292667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2342638 + ... + 2353659.

It is an arithmetic number, because the mean of its divisors is an integer number (2366934192).

Almost surely, 2^25881292767 is an apocalyptic number.

25881292767 is a deficient number, since it is larger than the sum of its proper divisors (11989654305).

25881292767 is a wasteful number, since it uses less digits than its factorization.

25881292767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696478.

The product of its digits is 6773760, while the sum is 57.

The spelling of 25881292767 in words is "twenty-five billion, eight hundred eighty-one million, two hundred ninety-two thousand, seven hundred sixty-seven".