25770966 has 32 divisors (see below), whose sum is σ = 57425760. Its totient is φ = 7655424.

The previous prime is 25770959. The next prime is 25770989. The reversal of 25770966 is 66907752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3435 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (1794555).

Almost surely, 2^25770966 is an apocalyptic number.

25770966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25770966 is an abundant number, since it is smaller than the sum of its proper divisors (31654794).

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

25770966 is a wasteful number, since it uses less digits than its factorization.

25770966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 25770966 is about 5076.5112035728. The cubic root of 25770966 is about 295.3771523910.

The spelling of 25770966 in words is "twenty-five million, seven hundred seventy thousand, nine hundred sixty-six".