25828678468 has 24 divisors (see below), whose sum is σ = 46073263320. Its totient is φ = 12665103360.

The previous prime is 25828678433. The next prime is 25828678571. The reversal of 25828678468 is 86487682852.

It can be written as a sum of positive squares in 4 ways, for example, as 427331584 + 25401346884 = 20672^2 + 159378^2 .

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 7 ways as a sum of consecutive naturals, for example, 479188 + ... + 530356.

It is an arithmetic number, because the mean of its divisors is an integer number (1919719305).

Almost surely, 2^25828678468 is an apocalyptic number.

It is an amenable number.

25828678468 is a deficient number, since it is larger than the sum of its proper divisors (20244584852).

25828678468 is a wasteful number, since it uses less digits than its factorization.

25828678468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53607 (or 53605 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 64.

The spelling of 25828678468 in words is "twenty-five billion, eight hundred twenty-eight million, six hundred seventy-eight thousand, four hundred sixty-eight".