25963878 has 8 divisors (see below), whose sum is σ = 51927768. Its totient is φ = 8654624.

The previous prime is 25963859. The next prime is 25963891. The reversal of 25963878 is 87836952.

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

25963878 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163651 + ... + 2163662.

It is an arithmetic number, because the mean of its divisors is an integer number (6490971).

Almost surely, 2^25963878 is an apocalyptic number.

25963878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25963878 is a wasteful number, since it uses less digits than its factorization.

25963878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327318.

The product of its digits is 725760, while the sum is 48.

The square root of 25963878 is about 5095.4762289702. The cubic root of 25963878 is about 296.1123493042.

The spelling of 25963878 in words is "twenty-five million, nine hundred sixty-three thousand, eight hundred seventy-eight".