25068661868 has 12 divisors (see below), whose sum is σ = 43980665232. Its totient is φ = 12502757520.

The previous prime is 25068661867. The next prime is 25068661963. The reversal of 25068661868 is 86816686052.

It is not an unprimeable number, because it can be changed into a prime (25068661867) 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 3 ways as a sum of consecutive naturals, for example, 7891568 + ... + 7894743.

It is an arithmetic number, because the mean of its divisors is an integer number (3665055436).

Almost surely, 2^25068661868 is an apocalyptic number.

It is an amenable number.

25068661868 is a deficient number, since it is larger than the sum of its proper divisors (18912003364).

25068661868 is a wasteful number, since it uses less digits than its factorization.

25068661868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786712 (or 15786710 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 25068661868 in words is "twenty-five billion, sixty-eight million, six hundred sixty-one thousand, eight hundred sixty-eight".