25785054339 has 32 divisors (see below), whose sum is σ = 37724467200. Its totient is φ = 15536253600.

The previous prime is 25785054331. The next prime is 25785054343. The reversal of 25785054339 is 93345058752.

It is not a de Polignac number, because 25785054339 - 2³ = 25785054331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25785054291 and 25785054300.

It is not an unprimeable number, because it can be changed into a prime (25785054331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9739914 + ... + 9742560.

It is an arithmetic number, because the mean of its divisors is an integer number (1178889600).

Almost surely, 2^25785054339 is an apocalyptic number.

25785054339 is a deficient number, since it is larger than the sum of its proper divisors (11939412861).

25785054339 is a wasteful number, since it uses less digits than its factorization.

25785054339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 25785054339 in words is "twenty-five billion, seven hundred eighty-five million, fifty-four thousand, three hundred thirty-nine".