497945867 has 4 divisors (see below), whose sum is σ = 506108976. Its totient is φ = 489782760.

The previous prime is 497945849. The next prime is 497945881. The reversal of 497945867 is 768549794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768549794 = 2 ⋅384274897.

It is a cyclic number.

It is not a de Polignac number, because 497945867 - 2¹² = 497941771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497945897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081463 + ... + 4081584.

It is an arithmetic number, because the mean of its divisors is an integer number (126527244).

Almost surely, 2^497945867 is an apocalyptic number.

497945867 is a deficient number, since it is larger than the sum of its proper divisors (8163109).

497945867 is an equidigital number, since it uses as much as digits as its factorization.

497945867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163108.

The product of its digits is 15240960, while the sum is 59.

The square root of 497945867 is about 22314.7006925928. The cubic root of 497945867 is about 792.6121231761.

The spelling of 497945867 in words is "four hundred ninety-seven million, nine hundred forty-five thousand, eight hundred sixty-seven".