420786299 has 2 divisors, whose sum is σ = 420786300. Its totient is φ = 420786298.

The previous prime is 420786271. The next prime is 420786313. The reversal of 420786299 is 992687024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420786299 - 2⁸ = 420786043 is a prime.

It is a super-2 number, since 2×420786299² = 354122218852234802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420786229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210393149 + 210393150.

It is an arithmetic number, because the mean of its divisors is an integer number (210393150).

Almost surely, 2^420786299 is an apocalyptic number.

420786299 is a deficient number, since it is larger than the sum of its proper divisors (1).

420786299 is an equidigital number, since it uses as much as digits as its factorization.

420786299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 420786299 is about 20513.0762929406. The cubic root of 420786299 is about 749.3542880862.

The spelling of 420786299 in words is "four hundred twenty million, seven hundred eighty-six thousand, two hundred ninety-nine".