25984335964 has 24 divisors (see below), whose sum is σ = 46642962240. Its totient is φ = 12660190656.

The previous prime is 25984335919. The next prime is 25984335983. The reversal of 25984335964 is 46953348952.

It is a junction number, because it is equal to n+sod(n) for n = 25984335899 and 25984335908.

It is a congruent number.

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, 258727 + ... + 344830.

It is an arithmetic number, because the mean of its divisors is an integer number (1943456760).

Almost surely, 2^25984335964 is an apocalyptic number.

It is an amenable number.

25984335964 is a deficient number, since it is larger than the sum of its proper divisors (20658626276).

25984335964 is a wasteful number, since it uses less digits than its factorization.

25984335964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603837 (or 603835 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 58.

The spelling of 25984335964 in words is "twenty-five billion, nine hundred eighty-four million, three hundred thirty-five thousand, nine hundred sixty-four".