27664376675 has 48 divisors (see below), whose sum is σ = 41174552160. Its totient is φ = 18215331840.

The previous prime is 27664376653. The next prime is 27664376687. The reversal of 27664376675 is 57667346672.

It is not a de Polignac number, because 27664376675 - 2¹⁴ = 27664360291 is a prime.

It is an unprimeable number.

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, 26792 + ... + 236741.

It is an arithmetic number, because the mean of its divisors is an integer number (857803170).

Almost surely, 2^27664376675 is an apocalyptic number.

27664376675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27664376675 is a deficient number, since it is larger than the sum of its proper divisors (13510175485).

27664376675 is a wasteful number, since it uses less digits than its factorization.

27664376675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263592 (or 263587 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 59.

The spelling of 27664376675 in words is "twenty-seven billion, six hundred sixty-four million, three hundred seventy-six thousand, six hundred seventy-five".