497764823 has 2 divisors, whose sum is σ = 497764824. Its totient is φ = 497764822.

The previous prime is 497764763. The next prime is 497764837. The reversal of 497764823 is 328467794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497764823 - 2⁶ = 497764759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497764853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248882411 + 248882412.

It is an arithmetic number, because the mean of its divisors is an integer number (248882412).

Almost surely, 2^497764823 is an apocalyptic number.

497764823 is a deficient number, since it is larger than the sum of its proper divisors (1).

497764823 is an equidigital number, since it uses as much as digits as its factorization.

497764823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The square root of 497764823 is about 22310.6437155005. The cubic root of 497764823 is about 792.5160517801.

The spelling of 497764823 in words is "four hundred ninety-seven million, seven hundred sixty-four thousand, eight hundred twenty-three".