497628866 has 16 divisors (see below), whose sum is σ = 853808256. Its totient is φ = 213086976.

The previous prime is 497628863. The next prime is 497628869. The reversal of 497628866 is 668826794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (497628863) and next prime (497628869).

It is not an unprimeable number, because it can be changed into a prime (497628863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435 + ... + 31641.

It is an arithmetic number, because the mean of its divisors is an integer number (53363016).

Almost surely, 2^497628866 is an apocalyptic number.

497628866 is a deficient number, since it is larger than the sum of its proper divisors (356179390).

497628866 is a wasteful number, since it uses less digits than its factorization.

497628866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30433.

The product of its digits is 6967296, while the sum is 56.

The square root of 497628866 is about 22307.5965984684. The cubic root of 497628866 is about 792.4438905831.

The spelling of 497628866 in words is "four hundred ninety-seven million, six hundred twenty-eight thousand, eight hundred sixty-six".