5665667190977 has 2 divisors, whose sum is σ = 5665667190978. Its totient is φ = 5665667190976.

The previous prime is 5665667190929. The next prime is 5665667190979. The reversal of 5665667190977 is 7790917665665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664214361521 + 1452829456 = 2379961^2 + 38116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665667190977 - 2²⁶ = 5665600082113 is a prime.

Together with 5665667190979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5665667190979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832833595488 + 2832833595489.

It is an arithmetic number, because the mean of its divisors is an integer number (2832833595489).

Almost surely, 2^{5665667190977} is an apocalyptic number.

It is an amenable number.

5665667190977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665667190977 is an equidigital number, since it uses as much as digits as its factorization.

5665667190977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900169200, while the sum is 74.

The spelling of 5665667190977 in words is "five trillion, six hundred sixty-five billion, six hundred sixty-seven million, one hundred ninety thousand, nine hundred seventy-seven".