25874772766 has 16 divisors (see below), whose sum is σ = 39351409200. Its totient is φ = 12757704768.

The previous prime is 25874772739. The next prime is 25874772767. The reversal of 25874772766 is 66727747852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25874772767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918925 + ... + 946663.

It is an arithmetic number, because the mean of its divisors is an integer number (2459463075).

Almost surely, 2^25874772766 is an apocalyptic number.

25874772766 is a deficient number, since it is larger than the sum of its proper divisors (13476636434).

25874772766 is a wasteful number, since it uses less digits than its factorization.

25874772766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34203.

The product of its digits is 55319040, while the sum is 61.

The spelling of 25874772766 in words is "twenty-five billion, eight hundred seventy-four million, seven hundred seventy-two thousand, seven hundred sixty-six".