25978708 has 24 divisors (see below), whose sum is σ = 53168192. Its totient is φ = 10874304.

The previous prime is 25978697. The next prime is 25978709. The reversal of 25978708 is 80787952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25978709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9585 + ... + 11992.

Almost surely, 2^25978708 is an apocalyptic number.

25978708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25978708 is an abundant number, since it is smaller than the sum of its proper divisors (27189484).

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

25978708 is a wasteful number, since it uses less digits than its factorization.

25978708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21631 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 25978708 is about 5096.9312335954. The cubic root of 25978708 is about 296.1687162091.

The spelling of 25978708 in words is "twenty-five million, nine hundred seventy-eight thousand, seven hundred eight".