25828255827 has 12 divisors (see below), whose sum is σ = 40699069944. Its totient is φ = 15653488320.

The previous prime is 25828255823. The next prime is 25828255861. The reversal of 25828255827 is 72855282852.

25828255827 is a `hidden beast` number, since 2 + 5 + 8 + 2 + 82 + 558 + 2 + 7 = 666.

It is not a de Polignac number, because 25828255827 - 2² = 25828255823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25828255823) 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, 130445638 + ... + 130445835.

It is an arithmetic number, because the mean of its divisors is an integer number (3391589162).

Almost surely, 2^25828255827 is an apocalyptic number.

25828255827 is a deficient number, since it is larger than the sum of its proper divisors (14870814117).

25828255827 is a wasteful number, since it uses less digits than its factorization.

25828255827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260891490 (or 260891487 counting only the distinct ones).

The product of its digits is 7168000, while the sum is 54.

The spelling of 25828255827 in words is "twenty-five billion, eight hundred twenty-eight million, two hundred fifty-five thousand, eight hundred twenty-seven".