27752775275 has 12 divisors (see below), whose sum is σ = 34624571832. Its totient is φ = 22066007040.

The previous prime is 27752775263. The next prime is 27752775283. The reversal of 27752775275 is 57257725772.

It is not a de Polignac number, because 27752775275 - 2²² = 27748580971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27752775275.

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, 3401174 + ... + 3409323.

It is an arithmetic number, because the mean of its divisors is an integer number (2885380986).

Almost surely, 2^27752775275 is an apocalyptic number.

27752775275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27752775275 is a deficient number, since it is larger than the sum of its proper divisors (6871796557).

27752775275 is a wasteful number, since it uses less digits than its factorization.

27752775275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810670 (or 6810665 counting only the distinct ones).

The product of its digits is 16807000, while the sum is 56.

The spelling of 27752775275 in words is "twenty-seven billion, seven hundred fifty-two million, seven hundred seventy-five thousand, two hundred seventy-five".