6477966853 has 2 divisors, whose sum is σ = 6477966854. Its totient is φ = 6477966852.

The previous prime is 6477966827. The next prime is 6477966857. The reversal of 6477966853 is 3586697746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3611649409 + 2866317444 = 60097^2 + 53538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6477966853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6477966791 and 6477966800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6477966857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238983426 + 3238983427.

It is an arithmetic number, because the mean of its divisors is an integer number (3238983427).

Almost surely, 2^6477966853 is an apocalyptic number.

It is an amenable number.

6477966853 is a deficient number, since it is larger than the sum of its proper divisors (1).

6477966853 is an equidigital number, since it uses as much as digits as its factorization.

6477966853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 61.

The square root of 6477966853 is about 80485.8177134332. The cubic root of 6477966853 is about 1864.1444998291.

The spelling of 6477966853 in words is "six billion, four hundred seventy-seven million, nine hundred sixty-six thousand, eight hundred fifty-three".