6368977 has 2 divisors, whose sum is σ = 6368978. Its totient is φ = 6368976.

The previous prime is 6368927. The next prime is 6368983. The reversal of 6368977 is 7798636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4363921 + 2005056 = 2089^2 + 1416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6368977 is a prime.

6368977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6368917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184488 + 3184489.

It is an arithmetic number, because the mean of its divisors is an integer number (3184489).

Almost surely, 2^6368977 is an apocalyptic number.

It is an amenable number.

6368977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6368977 is an equidigital number, since it uses as much as digits as its factorization.

6368977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 6368977 is about 2523.6832210085. The cubic root of 6368977 is about 185.3630756257.

The spelling of 6368977 in words is "six million, three hundred sixty-eight thousand, nine hundred seventy-seven".