27752527775 has 12 divisors (see below), whose sum is σ = 39329296752. Its totient is φ = 19030304640.

The previous prime is 27752527769. The next prime is 27752527867. The reversal of 27752527775 is 57772525772.

It is not a de Polignac number, because 27752527775 - 2⁸ = 27752527519 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 27752527775.

It is a congruent 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, 79292762 + ... + 79293111.

It is an arithmetic number, because the mean of its divisors is an integer number (3277441396).

Almost surely, 2^27752527775 is an apocalyptic number.

27752527775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27752527775 is a deficient number, since it is larger than the sum of its proper divisors (11576768977).

27752527775 is a wasteful number, since it uses less digits than its factorization.

27752527775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158585890 (or 158585885 counting only the distinct ones).

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

The spelling of 27752527775 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred twenty-seven thousand, seven hundred seventy-five".