494276777 has 2 divisors, whose sum is σ = 494276778. Its totient is φ = 494276776.

The previous prime is 494276759. The next prime is 494276833. The reversal of 494276777 is 777672494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479653801 + 14622976 = 21901^2 + 3824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494276777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494276707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247138388 + 247138389.

It is an arithmetic number, because the mean of its divisors is an integer number (247138389).

Almost surely, 2^494276777 is an apocalyptic number.

It is an amenable number.

494276777 is a deficient number, since it is larger than the sum of its proper divisors (1).

494276777 is an equidigital number, since it uses as much as digits as its factorization.

494276777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 53.

The square root of 494276777 is about 22232.3362919869. The cubic root of 494276777 is about 790.6605472558.

The spelling of 494276777 in words is "four hundred ninety-four million, two hundred seventy-six thousand, seven hundred seventy-seven".