25977630833 has 16 divisors (see below), whose sum is σ = 32391582720. Its totient is φ = 20239880400.

The previous prime is 25977630829. The next prime is 25977630839. The reversal of 25977630833 is 33803677952.

It is a cyclic number.

It is not a de Polignac number, because 25977630833 - 2² = 25977630829 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25977630839) 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, 888908 + ... + 917666.

It is an arithmetic number, because the mean of its divisors is an integer number (2024473920).

Almost surely, 2^25977630833 is an apocalyptic number.

It is an amenable number.

25977630833 is a deficient number, since it is larger than the sum of its proper divisors (6413951887).

25977630833 is a wasteful number, since it uses less digits than its factorization.

25977630833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40508.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 25977630833 in words is "twenty-five billion, nine hundred seventy-seven million, six hundred thirty thousand, eight hundred thirty-three".