27775250275 has 12 divisors (see below), whose sum is σ = 34746104232. Its totient is φ = 22023559040.

The previous prime is 27775250257. The next prime is 27775250281. The reversal of 27775250275 is 57205257772.

It is a de Polignac number, because none of the positive numbers 2^k-27775250275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4913149 + ... + 4918798.

It is an arithmetic number, because the mean of its divisors is an integer number (2895508686).

Almost surely, 2^27775250275 is an apocalyptic number.

27775250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27775250275 is a deficient number, since it is larger than the sum of its proper divisors (6970853957).

27775250275 is a wasteful number, since it uses less digits than its factorization.

27775250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832070 (or 9832065 counting only the distinct ones).

The product of its (nonzero) digits is 2401000, while the sum is 49.

The spelling of 27775250275 in words is "twenty-seven billion, seven hundred seventy-five million, two hundred fifty thousand, two hundred seventy-five".