27550027775 has 6 divisors (see below), whose sum is σ = 34162034472. Its totient is φ = 22040022200.

The previous prime is 27550027733. The next prime is 27550027819. The reversal of 27550027775 is 57772005572.

It is not a de Polignac number, because 27550027775 - 2²⁸ = 27281592319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551000531 + ... + 551000580.

It is an arithmetic number, because the mean of its divisors is an integer number (5693672412).

Almost surely, 2^27550027775 is an apocalyptic number.

27550027775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27550027775 is a deficient number, since it is larger than the sum of its proper divisors (6612006697).

27550027775 is a wasteful number, since it uses less digits than its factorization.

27550027775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102001121 (or 1102001116 counting only the distinct ones).

The product of its (nonzero) digits is 1200500, while the sum is 47.

The spelling of 27550027775 in words is "twenty-seven billion, five hundred fifty million, twenty-seven thousand, seven hundred seventy-five".