497222779 has 2 divisors, whose sum is σ = 497222780. Its totient is φ = 497222778.

The previous prime is 497222767. The next prime is 497222807. The reversal of 497222779 is 977222794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497222779 - 2²⁵ = 463668347 is a prime.

It is not a weakly prime, because it can be changed into another prime (497252779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248611389 + 248611390.

It is an arithmetic number, because the mean of its divisors is an integer number (248611390).

Almost surely, 2^497222779 is an apocalyptic number.

497222779 is a deficient number, since it is larger than the sum of its proper divisors (1).

497222779 is an equidigital number, since it uses as much as digits as its factorization.

497222779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 49.

The square root of 497222779 is about 22298.4927517534. The cubic root of 497222779 is about 792.2282755880.

The spelling of 497222779 in words is "four hundred ninety-seven million, two hundred twenty-two thousand, seven hundred seventy-nine".