27272954817 has 12 divisors (see below), whose sum is σ = 39395765760. Its totient is φ = 18181278648.

The previous prime is 27272954773. The next prime is 27272954827. The reversal of 27272954817 is 71845927272.

27272954817 is a `hidden beast` number, since 2 + 7 + 2 + 72 + 95 + 481 + 7 = 666.

It is not a de Polignac number, because 27272954817 - 2²³ = 27264566209 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27272954827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328468 + ... + 403034.

It is an arithmetic number, because the mean of its divisors is an integer number (3282980480).

Almost surely, 2^27272954817 is an apocalyptic number.

It is an amenable number.

27272954817 is a deficient number, since it is larger than the sum of its proper divisors (12122810943).

27272954817 is a wasteful number, since it uses less digits than its factorization.

27272954817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115212 (or 115209 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 27272954817 in words is "twenty-seven billion, two hundred seventy-two million, nine hundred fifty-four thousand, eight hundred seventeen".