25978862 has 32 divisors (see below), whose sum is σ = 48216000. Its totient is φ = 10222848.

The previous prime is 25978861. The next prime is 25978879. The reversal of 25978862 is 26887952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25978861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63314 + ... + 63722.

It is an arithmetic number, because the mean of its divisors is an integer number (1506750).

Almost surely, 2^25978862 is an apocalyptic number.

25978862 is a deficient number, since it is larger than the sum of its proper divisors (22237138).

25978862 is a wasteful number, since it uses less digits than its factorization.

25978862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 483840, while the sum is 47.

The square root of 25978862 is about 5096.9463407024. The cubic root of 25978862 is about 296.1693014306.

The spelling of 25978862 in words is "twenty-five million, nine hundred seventy-eight thousand, eight hundred sixty-two".