25676861468 has 12 divisors (see below), whose sum is σ = 44936069640. Its totient is φ = 12837984432.

The previous prime is 25676861467. The next prime is 25676861543. The reversal of 25676861468 is 86416867652.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25676861461) 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, 41078 + ... + 230306.

It is an arithmetic number, because the mean of its divisors is an integer number (3744672470).

Almost surely, 2^25676861468 is an apocalyptic number.

It is an amenable number.

25676861468 is a deficient number, since it is larger than the sum of its proper divisors (19259208172).

25676861468 is a wasteful number, since it uses less digits than its factorization.

25676861468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223156 (or 223154 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The spelling of 25676861468 in words is "twenty-five billion, six hundred seventy-six million, eight hundred sixty-one thousand, four hundred sixty-eight".