4197679777 has 2 divisors, whose sum is σ = 4197679778. Its totient is φ = 4197679776.

The previous prime is 4197679741. The next prime is 4197679793. The reversal of 4197679777 is 7779767914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3693722176 + 503957601 = 60776^2 + 22449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4197679777 is a prime.

It is not a weakly prime, because it can be changed into another prime (4197679727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098839888 + 2098839889.

It is an arithmetic number, because the mean of its divisors is an integer number (2098839889).

Almost surely, 2^4197679777 is an apocalyptic number.

It is an amenable number.

4197679777 is a deficient number, since it is larger than the sum of its proper divisors (1).

4197679777 is an equidigital number, since it uses as much as digits as its factorization.

4197679777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32672808, while the sum is 64.

The square root of 4197679777 is about 64789.5036020496. The cubic root of 4197679777 is about 1613.1314869917.

The spelling of 4197679777 in words is "four billion, one hundred ninety-seven million, six hundred seventy-nine thousand, seven hundred seventy-seven".