27575663838393 has 16 divisors (see below), whose sum is σ = 40113064108800. Its totient is φ = 16711270364880.

The previous prime is 27575663838379. The next prime is 27575663838409. The reversal of 27575663838393 is 39383836657572.

It is a happy number.

It is not a de Polignac number, because 27575663838393 - 2⁴ = 27575663838377 is a prime.

It is a super-2 number, since 2×27575663838393² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27575663838893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30882483 + ... + 31762856.

It is an arithmetic number, because the mean of its divisors is an integer number (2507066506800).

Almost surely, 2^{27575663838393} is an apocalyptic number.

It is an amenable number.

27575663838393 is a deficient number, since it is larger than the sum of its proper divisors (12537400270407).

27575663838393 is a wasteful number, since it uses less digits than its factorization.

27575663838393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62658692.

The product of its digits is 4115059200, while the sum is 75.

The spelling of 27575663838393 in words is "twenty-seven trillion, five hundred seventy-five billion, six hundred sixty-three million, eight hundred thirty-eight thousand, three hundred ninety-three".