25247974860 has 96 divisors (see below), whose sum is σ = 78572894400. Its totient is φ = 6730767360.

The previous prime is 25247974859. The next prime is 25247974883. The reversal of 25247974860 is 6847974252.

25247974860 is a `hidden beast` number, since 2 + 524 + 79 + 7 + 48 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 25247974797 and 25247974806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2901396 + ... + 2910084.

It is an arithmetic number, because the mean of its divisors is an integer number (818467650).

Almost surely, 2^25247974860 is an apocalyptic number.

25247974860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25247974860 is an abundant number, since it is smaller than the sum of its proper divisors (53324919540).

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

25247974860 is a wasteful number, since it uses less digits than its factorization.

25247974860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088 (or 14080 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 25247974860 in words is "twenty-five billion, two hundred forty-seven million, nine hundred seventy-four thousand, eight hundred sixty".