25779007328 has 24 divisors (see below), whose sum is σ = 51093050400. Its totient is φ = 12802994560.

The previous prime is 25779007277. The next prime is 25779007339. The reversal of 25779007328 is 82370097752.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2698568 + ... + 2708103.

It is an arithmetic number, because the mean of its divisors is an integer number (2128877100).

Almost surely, 2^25779007328 is an apocalyptic number.

It is an amenable number.

25779007328 is a deficient number, since it is larger than the sum of its proper divisors (25314043072).

25779007328 is a wasteful number, since it uses less digits than its factorization.

25779007328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406830 (or 5406822 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 25779007328 in words is "twenty-five billion, seven hundred seventy-nine million, seven thousand, three hundred twenty-eight".