27832166977 has 2 divisors, whose sum is σ = 27832166978. Its totient is φ = 27832166976.

The previous prime is 27832166951. The next prime is 27832167001. The reversal of 27832166977 is 77966123872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27710263296 + 121903681 = 166464^2 + 11041^2 .

It is a cyclic number.

It is not a de Polignac number, because 27832166977 - 2¹¹ = 27832164929 is a prime.

It is not a weakly prime, because it can be changed into another prime (27832166917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13916083488 + 13916083489.

It is an arithmetic number, because the mean of its divisors is an integer number (13916083489).

Almost surely, 2^27832166977 is an apocalyptic number.

It is an amenable number.

27832166977 is a deficient number, since it is larger than the sum of its proper divisors (1).

27832166977 is an equidigital number, since it uses as much as digits as its factorization.

27832166977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 58.

The spelling of 27832166977 in words is "twenty-seven billion, eight hundred thirty-two million, one hundred sixty-six thousand, nine hundred seventy-seven".