27775025275 has 12 divisors (see below), whose sum is σ = 34472461032. Its totient is φ = 22199743040.

The previous prime is 27775025251. The next prime is 27775025287. The reversal of 27775025275 is 57252057772.

It is not a de Polignac number, because 27775025275 - 2¹⁹ = 27774500987 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, 478957 + ... + 533806.

It is an arithmetic number, because the mean of its divisors is an integer number (2872705086).

Almost surely, 2^27775025275 is an apocalyptic number.

27775025275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27775025275 is a deficient number, since it is larger than the sum of its proper divisors (6697435757).

27775025275 is a wasteful number, since it uses less digits than its factorization.

27775025275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013870 (or 1013865 counting only the distinct ones).

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

The spelling of 27775025275 in words is "twenty-seven billion, seven hundred seventy-five million, twenty-five thousand, two hundred seventy-five".