25690790707 has 6 divisors (see below), whose sum is σ = 26289326492. Its totient is φ = 25092303852.

The previous prime is 25690790689. The next prime is 25690790731. The reversal of 25690790707 is 70709709652.

It is not a de Polignac number, because 25690790707 - 2⁷ = 25690790579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25690793707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1038828 + ... + 1063270.

Almost surely, 2^25690790707 is an apocalyptic number.

25690790707 is a deficient number, since it is larger than the sum of its proper divisors (598535785).

25690790707 is an frugal number, since it uses more digits than its factorization.

25690790707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48929 (or 24486 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 25690790707 in words is "twenty-five billion, six hundred ninety million, seven hundred ninety thousand, seven hundred seven".