25966855 has 8 divisors (see below), whose sum is σ = 31625712. Its totient is φ = 20463168.

The previous prime is 25966849. The next prime is 25966879. The reversal of 25966855 is 55866952.

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

It is a cyclic number.

It is not a de Polignac number, because 25966855 - 2⁷ = 25966727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 38422 + ... + 39091.

It is an arithmetic number, because the mean of its divisors is an integer number (3953214).

Almost surely, 2^25966855 is an apocalyptic number.

25966855 is a deficient number, since it is larger than the sum of its proper divisors (5658857).

25966855 is an equidigital number, since it uses as much as digits as its factorization.

25966855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77585.

The product of its digits is 648000, while the sum is 46.

The square root of 25966855 is about 5095.7683424583. The cubic root of 25966855 is about 296.1236662163.

The spelling of 25966855 in words is "twenty-five million, nine hundred sixty-six thousand, eight hundred fifty-five".