25472087928 has 64 divisors (see below), whose sum is σ = 80863776000. Its totient is φ = 7277738976.

The previous prime is 25472087831. The next prime is 25472087929. The reversal of 25472087928 is 82978027452.

25472087928 is a `hidden beast` number, since 2 + 5 + 472 + 0 + 87 + 92 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472087929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8421798 + ... + 8424821.

It is an arithmetic number, because the mean of its divisors is an integer number (1263496500).

Almost surely, 2^25472087928 is an apocalyptic number.

25472087928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25472087928 is an abundant number, since it is smaller than the sum of its proper divisors (55391688072).

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

25472087928 is a wasteful number, since it uses less digits than its factorization.

25472087928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16846641 (or 16846631 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 25472087928 in words is "twenty-five billion, four hundred seventy-two million, eighty-seven thousand, nine hundred twenty-eight".