25945877338 has 16 divisors (see below), whose sum is σ = 39077976960. Its totient is φ = 12919913776.

The previous prime is 25945877327. The next prime is 25945877351. The reversal of 25945877338 is 83377854952.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3340956 + ... + 3348712.

It is an arithmetic number, because the mean of its divisors is an integer number (2442373560).

Almost surely, 2^25945877338 is an apocalyptic number.

25945877338 is a deficient number, since it is larger than the sum of its proper divisors (13132099622).

25945877338 is a wasteful number, since it uses less digits than its factorization.

25945877338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381.

The product of its digits is 50803200, while the sum is 61.

The spelling of 25945877338 in words is "twenty-five billion, nine hundred forty-five million, eight hundred seventy-seven thousand, three hundred thirty-eight".