25763748816 has 80 divisors (see below), whose sum is σ = 74792462976. Its totient is φ = 7582637568.

The previous prime is 25763748779. The next prime is 25763748821. The reversal of 25763748816 is 61884736752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883215 + ... + 911918.

Almost surely, 2^25763748816 is an apocalyptic number.

25763748816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25763748816 is an abundant number, since it is smaller than the sum of its proper divisors (49028714160).

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

25763748816 is a wasteful number, since it uses less digits than its factorization.

25763748816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795180 (or 1795174 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 25763748816 in words is "twenty-five billion, seven hundred sixty-three million, seven hundred forty-eight thousand, eight hundred sixteen".