2805189875 has 8 divisors (see below), whose sum is σ = 3500877120. Its totient is φ = 2244151800.

The previous prime is 2805189799. The next prime is 2805189899. The reversal of 2805189875 is 5789815082.

It is not a de Polignac number, because 2805189875 - 2¹⁰ = 2805188851 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11220635 + ... + 11220884.

It is an arithmetic number, because the mean of its divisors is an integer number (437609640).

Almost surely, 2^2805189875 is an apocalyptic number.

2805189875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2805189875 is a deficient number, since it is larger than the sum of its proper divisors (695687245).

2805189875 is an equidigital number, since it uses as much as digits as its factorization.

2805189875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22441534 (or 22441524 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 53.

The square root of 2805189875 is about 52964.0432274576. The cubic root of 2805189875 is about 1410.3300327324.

The spelling of 2805189875 in words is "two billion, eight hundred five million, one hundred eighty-nine thousand, eight hundred seventy-five".