420727763 has 2 divisors, whose sum is σ = 420727764. Its totient is φ = 420727762.

The previous prime is 420727757. The next prime is 420727787. The reversal of 420727763 is 367727024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420727763 - 2¹⁰ = 420726739 is a prime.

It is not a weakly prime, because it can be changed into another prime (420727793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210363881 + 210363882.

It is an arithmetic number, because the mean of its divisors is an integer number (210363882).

Almost surely, 2^420727763 is an apocalyptic number.

420727763 is a deficient number, since it is larger than the sum of its proper divisors (1).

420727763 is an equidigital number, since it uses as much as digits as its factorization.

420727763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 420727763 is about 20511.6494461074. The cubic root of 420727763 is about 749.3195386684.

The spelling of 420727763 in words is "four hundred twenty million, seven hundred twenty-seven thousand, seven hundred sixty-three".