493278977 has 2 divisors, whose sum is σ = 493278978. Its totient is φ = 493278976.

The previous prime is 493278971. The next prime is 493278983. The reversal of 493278977 is 779872394.

It is a balanced prime because it is at equal distance from previous prime (493278971) and next prime (493278983).

It can be written as a sum of positive squares in only one way, i.e., 447364801 + 45914176 = 21151^2 + 6776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493278977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493278971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246639488 + 246639489.

It is an arithmetic number, because the mean of its divisors is an integer number (246639489).

Almost surely, 2^493278977 is an apocalyptic number.

It is an amenable number.

493278977 is a deficient number, since it is larger than the sum of its proper divisors (1).

493278977 is an equidigital number, since it uses as much as digits as its factorization.

493278977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 493278977 is about 22209.8846687685. The cubic root of 493278977 is about 790.1281515120.

The spelling of 493278977 in words is "four hundred ninety-three million, two hundred seventy-eight thousand, nine hundred seventy-seven".