25784364576 has 96 divisors (see below), whose sum is σ = 73977297408. Its totient is φ = 7828254720.

The previous prime is 25784364517. The next prime is 25784364629. The reversal of 25784364576 is 67546348752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204235 + ... + 305418.

It is an arithmetic number, because the mean of its divisors is an integer number (770596848).

Almost surely, 2^25784364576 is an apocalyptic number.

It is an amenable number.

25784364576 is an abundant number, since it is smaller than the sum of its proper divisors (48192932832).

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

25784364576 is a wasteful number, since it uses less digits than its factorization.

25784364576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509714 (or 509706 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 57.

The spelling of 25784364576 in words is "twenty-five billion, seven hundred eighty-four million, three hundred sixty-four thousand, five hundred seventy-six".