420322867 has 2 divisors, whose sum is σ = 420322868. Its totient is φ = 420322866.

The previous prime is 420322853. The next prime is 420322871. The reversal of 420322867 is 768223024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420322867 is a prime.

It is not a weakly prime, because it can be changed into another prime (420322817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210161433 + 210161434.

It is an arithmetic number, because the mean of its divisors is an integer number (210161434).

Almost surely, 2^420322867 is an apocalyptic number.

420322867 is a deficient number, since it is larger than the sum of its proper divisors (1).

420322867 is an equidigital number, since it uses as much as digits as its factorization.

420322867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 420322867 is about 20501.7771668702. Note that the first 3 decimals coincide. The cubic root of 420322867 is about 749.0790871704.

The spelling of 420322867 in words is "four hundred twenty million, three hundred twenty-two thousand, eight hundred sixty-seven".