25976887 has 4 divisors (see below), whose sum is σ = 26027080. Its totient is φ = 25926696.

The previous prime is 25976879. The next prime is 25976893. The reversal of 25976887 is 78867952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25976887 - 2³ = 25976879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25976807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24312 + ... + 25357.

It is an arithmetic number, because the mean of its divisors is an integer number (6506770).

Almost surely, 2^25976887 is an apocalyptic number.

25976887 is a deficient number, since it is larger than the sum of its proper divisors (50193).

25976887 is an equidigital number, since it uses as much as digits as its factorization.

25976887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50192.

The product of its digits is 1693440, while the sum is 52.

The square root of 25976887 is about 5096.7525935639. The cubic root of 25976887 is about 296.1617959800.

The spelling of 25976887 in words is "twenty-five million, nine hundred seventy-six thousand, eight hundred eighty-seven".