497057777 has 2 divisors, whose sum is σ = 497057778. Its totient is φ = 497057776.

The previous prime is 497057749. The next prime is 497057837. The reversal of 497057777 is 777750794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258695056 + 238362721 = 16084^2 + 15439^2 .

It is a cyclic number.

It is not a de Polignac number, because 497057777 - 2¹⁰ = 497056753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (497059777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248528888 + 248528889.

It is an arithmetic number, because the mean of its divisors is an integer number (248528889).

Almost surely, 2^497057777 is an apocalyptic number.

It is an amenable number.

497057777 is a deficient number, since it is larger than the sum of its proper divisors (1).

497057777 is an equidigital number, since it uses as much as digits as its factorization.

497057777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3025260, while the sum is 53.

The square root of 497057777 is about 22294.7925982728. The cubic root of 497057777 is about 792.1406329741.

The spelling of 497057777 in words is "four hundred ninety-seven million, fifty-seven thousand, seven hundred seventy-seven".