25980766 has 8 divisors (see below), whose sum is σ = 44538480. Its totient is φ = 11134608.

The previous prime is 25980763. The next prime is 25980767. The reversal of 25980766 is 66708952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927871 + ... + 927898.

It is an arithmetic number, because the mean of its divisors is an integer number (5567310).

Almost surely, 2^25980766 is an apocalyptic number.

25980766 is a deficient number, since it is larger than the sum of its proper divisors (18557714).

25980766 is a wasteful number, since it uses less digits than its factorization.

25980766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855778.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 25980766 is about 5097.1331157819. The cubic root of 25980766 is about 296.1765367048.

The spelling of 25980766 in words is "twenty-five million, nine hundred eighty thousand, seven hundred sixty-six".