25827081875 has 20 divisors (see below), whose sum is σ = 36884030832. Its totient is φ = 17709996000.

The previous prime is 25827081871. The next prime is 25827081937. The reversal of 25827081875 is 57818072852.

It is not a de Polignac number, because 25827081875 - 2² = 25827081871 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25827081871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2947292 + ... + 2956041.

Almost surely, 2^25827081875 is an apocalyptic number.

25827081875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25827081875 is a deficient number, since it is larger than the sum of its proper divisors (11056948957).

25827081875 is an frugal number, since it uses more digits than its factorization.

25827081875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903360 (or 5903345 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 53.

The spelling of 25827081875 in words is "twenty-five billion, eight hundred twenty-seven million, eighty-one thousand, eight hundred seventy-five".