25894876766 has 24 divisors (see below), whose sum is σ = 43331703240. Its totient is φ = 11594713680.

The previous prime is 25894876759. The next prime is 25894876771. The reversal of 25894876766 is 66767849852.

It is a junction number, because it is equal to n+sod(n) for n = 25894876696 and 25894876705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782321 + ... + 814748.

It is an arithmetic number, because the mean of its divisors is an integer number (1805487635).

Almost surely, 2^25894876766 is an apocalyptic number.

25894876766 is a deficient number, since it is larger than the sum of its proper divisors (17436826474).

25894876766 is a wasteful number, since it uses less digits than its factorization.

25894876766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597160 (or 1597149 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 68.

The spelling of 25894876766 in words is "twenty-five billion, eight hundred ninety-four million, eight hundred seventy-six thousand, seven hundred sixty-six".