476421811 has 4 divisors (see below), whose sum is σ = 487501432. Its totient is φ = 465342192.

The previous prime is 476421769. The next prime is 476421817. The reversal of 476421811 is 118124674.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 476421811 - 2⁷ = 476421683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476421817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539746 + ... + 5539831.

It is an arithmetic number, because the mean of its divisors is an integer number (121875358).

Almost surely, 2^476421811 is an apocalyptic number.

476421811 is a deficient number, since it is larger than the sum of its proper divisors (11079621).

476421811 is a wasteful number, since it uses less digits than its factorization.

476421811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079620.

The product of its digits is 10752, while the sum is 34.

The square root of 476421811 is about 21827.0889263777. The cubic root of 476421811 is about 781.0230991543.

The spelling of 476421811 in words is "four hundred seventy-six million, four hundred twenty-one thousand, eight hundred eleven".