25767868 has 12 divisors (see below), whose sum is σ = 51535792. Its totient is φ = 11043360.

The previous prime is 25767853. The next prime is 25767871. The reversal of 25767868 is 86876752.

25767868 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, 460113 + ... + 460168.

Almost surely, 2^25767868 is an apocalyptic number.

25767868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25767868 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.

25767868 is a wasteful number, since it uses less digits than its factorization.

25767868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920292 (or 920290 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 25767868 is about 5076.2060635873. The cubic root of 25767868 is about 295.3653158784.

The spelling of 25767868 in words is "twenty-five million, seven hundred sixty-seven thousand, eight hundred sixty-eight".