25880872 has 8 divisors (see below), whose sum is σ = 48526650. Its totient is φ = 12940432.

The previous prime is 25880857. The next prime is 25880903. The reversal of 25880872 is 27808852.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 820836 = 5006^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1617547 + ... + 1617562.

Almost surely, 2^25880872 is an apocalyptic number.

It is an amenable number.

25880872 is a deficient number, since it is larger than the sum of its proper divisors (22645778).

25880872 is a wasteful number, since it uses less digits than its factorization.

25880872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235115 (or 3235111 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 25880872 is about 5087.3246407124. The cubic root of 25880872 is about 295.7964573401.

The spelling of 25880872 in words is "twenty-five million, eight hundred eighty thousand, eight hundred seventy-two".