27772431327 has 24 divisors (see below), whose sum is σ = 42482381760. Its totient is φ = 17423009280.

The previous prime is 27772431317. The next prime is 27772431329. The reversal of 27772431327 is 72313427772.

27772431327 is a `hidden beast` number, since 277 + 7 + 24 + 31 + 327 = 666.

It is not a de Polignac number, because 27772431327 - 2⁶ = 27772431263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27772431329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1330074 + ... + 1350792.

It is an arithmetic number, because the mean of its divisors is an integer number (1770099240).

Almost surely, 2^27772431327 is an apocalyptic number.

27772431327 is a deficient number, since it is larger than the sum of its proper divisors (14709950433).

27772431327 is a wasteful number, since it uses less digits than its factorization.

27772431327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29503 (or 29500 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The spelling of 27772431327 in words is "twenty-seven billion, seven hundred seventy-two million, four hundred thirty-one thousand, three hundred twenty-seven".