25776966 has 16 divisors (see below), whose sum is σ = 51609600. Its totient is φ = 8583048.

The previous prime is 25776941. The next prime is 25776967. The reversal of 25776966 is 66967752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25776967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5995 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 2^25776966 is an apocalyptic number.

25776966 is an abundant number, since it is smaller than the sum of its proper divisors (25832634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25776966 is a wasteful number, since it uses less digits than its factorization.

25776966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its digits is 952560, while the sum is 48.

The square root of 25776966 is about 5077.1021262133. The cubic root of 25776966 is about 295.4000738625.

The spelling of 25776966 in words is "twenty-five million, seven hundred seventy-six thousand, nine hundred sixty-six".