25271874768 has 80 divisors (see below), whose sum is σ = 78539179520. Its totient is φ = 6840505728.

The previous prime is 25271874767. The next prime is 25271874779. The reversal of 25271874768 is 86747817252.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25271874763) 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, 1972930 + ... + 1985697.

It is an arithmetic number, because the mean of its divisors is an integer number (981739744).

Almost surely, 2^25271874768 is an apocalyptic number.

25271874768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25271874768 is an abundant number, since it is smaller than the sum of its proper divisors (53267304752).

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

25271874768 is a wasteful number, since it uses less digits than its factorization.

25271874768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958664 (or 3958658 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 57.

The spelling of 25271874768 in words is "twenty-five billion, two hundred seventy-one million, eight hundred seventy-four thousand, seven hundred sixty-eight".