25775087238263 has 12 divisors (see below), whose sum is σ = 29563089641904. Its totient is φ = 22413119335200.

The previous prime is 25775087238239. The next prime is 25775087238347. The reversal of 25775087238263 is 36283278057752.

It is a happy number.

It is not a de Polignac number, because 25775087238263 - 2⁸ = 25775087238007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25775087238263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25775087238203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4630806998 + ... + 4630812563.

It is an arithmetic number, because the mean of its divisors is an integer number (2463590803492).

Almost surely, 2^{25775087238263} is an apocalyptic number.

25775087238263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25775087238263 is a deficient number, since it is larger than the sum of its proper divisors (3788002403641).

25775087238263 is a wasteful number, since it uses less digits than its factorization.

25775087238263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261619606 (or 9261619595 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 65.

The spelling of 25775087238263 in words is "twenty-five trillion, seven hundred seventy-five billion, eighty-seven million, two hundred thirty-eight thousand, two hundred sixty-three".