25823789266 has 12 divisors (see below), whose sum is σ = 42577239726. Its totient is φ = 11738085920.

The previous prime is 25823789261. The next prime is 25823789273. The reversal of 25823789266 is 66298732852.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21807905625 + 4015883641 = 147675^2 + 63371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25823789266.

It is not an unprimeable number, because it can be changed into a prime (25823789261) 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, 53354695 + ... + 53355178.

Almost surely, 2^25823789266 is an apocalyptic number.

25823789266 is a deficient number, since it is larger than the sum of its proper divisors (16753450460).

25823789266 is a wasteful number, since it uses less digits than its factorization.

25823789266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106709897 (or 106709886 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 25823789266 in words is "twenty-five billion, eight hundred twenty-three million, seven hundred eighty-nine thousand, two hundred sixty-six".