25478924684 has 24 divisors (see below), whose sum is σ = 47820432240. Its totient is φ = 11841246144.

The previous prime is 25478924683. The next prime is 25478924687. The reversal of 25478924684 is 48642987452.

It is not an unprimeable number, because it can be changed into a prime (25478924683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3158699 + ... + 3166754.

It is an arithmetic number, because the mean of its divisors is an integer number (1992518010).

Almost surely, 2^25478924684 is an apocalyptic number.

It is an amenable number.

25478924684 is a deficient number, since it is larger than the sum of its proper divisors (22341507556).

25478924684 is a wasteful number, since it uses less digits than its factorization.

25478924684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325529 (or 6325527 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 25478924684 in words is "twenty-five billion, four hundred seventy-eight million, nine hundred twenty-four thousand, six hundred eighty-four".