25863023284 has 12 divisors (see below), whose sum is σ = 51726046624. Its totient is φ = 11084152824.

The previous prime is 25863023261. The next prime is 25863023297. The reversal of 25863023284 is 48232036852.

25863023284 is an admirable number.

It is a super-2 number, since 2×25863023284² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25863023284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461839674 + ... + 461839729.

Almost surely, 2^25863023284 is an apocalyptic number.

It is an amenable number.

25863023284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25863023284 is a wasteful number, since it uses less digits than its factorization.

25863023284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923679414 (or 923679412 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 25863023284 in words is "twenty-five billion, eight hundred sixty-three million, twenty-three thousand, two hundred eighty-four".