25764859085 has 16 divisors (see below), whose sum is σ = 37194384000. Its totient is φ = 16737471936.

The previous prime is 25764859007. The next prime is 25764859121. The reversal of 25764859085 is 58095846752.

It is a cyclic number.

It is not a de Polignac number, because 25764859085 - 2⁸ = 25764858829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19371410 + ... + 19372739.

It is an arithmetic number, because the mean of its divisors is an integer number (2324649000).

Almost surely, 2^25764859085 is an apocalyptic number.

It is an amenable number.

25764859085 is a deficient number, since it is larger than the sum of its proper divisors (11429524915).

25764859085 is a wasteful number, since it uses less digits than its factorization.

25764859085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744180.

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 25764859085 in words is "twenty-five billion, seven hundred sixty-four million, eight hundred fifty-nine thousand, eighty-five".