497340890077 has 2 divisors, whose sum is σ = 497340890078. Its totient is φ = 497340890076.

The previous prime is 497340890071. The next prime is 497340890191. The reversal of 497340890077 is 770098043794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432219464356 + 65121425721 = 657434^2 + 255189^2 .

It is a cyclic number.

It is not a de Polignac number, because 497340890077 - 2¹⁹ = 497340365789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497340890071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248670445038 + 248670445039.

It is an arithmetic number, because the mean of its divisors is an integer number (248670445039).

Almost surely, 2^497340890077 is an apocalyptic number.

It is an amenable number.

497340890077 is a deficient number, since it is larger than the sum of its proper divisors (1).

497340890077 is an equidigital number, since it uses as much as digits as its factorization.

497340890077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 497340890077 in words is "four hundred ninety-seven billion, three hundred forty million, eight hundred ninety thousand, seventy-seven".