27750050025 has 24 divisors (see below), whose sum is σ = 46526289984. Its totient is φ = 14591572800.

The previous prime is 27750050021. The next prime is 27750050047. The reversal of 27750050025 is 52005005772.

It is not a de Polignac number, because 27750050025 - 2² = 27750050021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27750050021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2600314 + ... + 2610963.

It is an arithmetic number, because the mean of its divisors is an integer number (1938595416).

Almost surely, 2^27750050025 is an apocalyptic number.

27750050025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27750050025 is a deficient number, since it is larger than the sum of its proper divisors (18776239959).

27750050025 is a wasteful number, since it uses less digits than its factorization.

27750050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211361 (or 5211356 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

Adding to 27750050025 its reverse (52005005772), we get a palindrome (79755055797).

The spelling of 27750050025 in words is "twenty-seven billion, seven hundred fifty million, fifty thousand, twenty-five".