420832855 has 4 divisors (see below), whose sum is σ = 504999432. Its totient is φ = 336666280.

The previous prime is 420832849. The next prime is 420832903. The reversal of 420832855 is 558238024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 420832855 - 2⁹ = 420832343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42083281 + ... + 42083290.

It is an arithmetic number, because the mean of its divisors is an integer number (126249858).

Almost surely, 2^420832855 is an apocalyptic number.

420832855 is a deficient number, since it is larger than the sum of its proper divisors (84166577).

420832855 is an equidigital number, since it uses as much as digits as its factorization.

420832855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84166576.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 420832855 is about 20514.2110499039. The cubic root of 420832855 is about 749.3819233742.

The spelling of 420832855 in words is "four hundred twenty million, eight hundred thirty-two thousand, eight hundred fifty-five".