27091057383 has 48 divisors (see below), whose sum is σ = 42767262720. Its totient is φ = 16424845632.

The previous prime is 27091057379. The next prime is 27091057429. The reversal of 27091057383 is 38375019072.

It is a happy number.

27091057383 is a `hidden beast` number, since 2 + 70 + 9 + 1 + 0 + 573 + 8 + 3 = 666.

It is not a de Polignac number, because 27091057383 - 2² = 27091057379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27091057303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4646316 + ... + 4652142.

It is an arithmetic number, because the mean of its divisors is an integer number (890984640).

Almost surely, 2^27091057383 is an apocalyptic number.

27091057383 is a deficient number, since it is larger than the sum of its proper divisors (15676205337).

27091057383 is a wasteful number, since it uses less digits than its factorization.

27091057383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 27091057383 in words is "twenty-seven billion, ninety-one million, fifty-seven thousand, three hundred eighty-three".