25861207683 has 32 divisors (see below), whose sum is σ = 36319010112. Its totient is φ = 16346880000.

The previous prime is 25861207639. The next prime is 25861207693. The reversal of 25861207683 is 38670216852.

It is not a de Polignac number, because 25861207683 - 2¹² = 25861203587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25861207693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4698433 + ... + 4703933.

It is an arithmetic number, because the mean of its divisors is an integer number (1134969066).

Almost surely, 2^25861207683 is an apocalyptic number.

25861207683 is a deficient number, since it is larger than the sum of its proper divisors (10457802429).

25861207683 is a wasteful number, since it uses less digits than its factorization.

25861207683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 25861207683 in words is "twenty-five billion, eight hundred sixty-one million, two hundred seven thousand, six hundred eighty-three".