476786881 has 8 divisors (see below), whose sum is σ = 488293344. Its totient is φ = 465299520.

The previous prime is 476786873. The next prime is 476786903. The reversal of 476786881 is 188687674.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 476786881 - 2³ = 476786873 is a prime.

It is a super-2 number, since 2×476786881² = 454651459787416322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476786801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54450 + ... + 62596.

It is an arithmetic number, because the mean of its divisors is an integer number (61036668).

Almost surely, 2^476786881 is an apocalyptic number.

It is an amenable number.

476786881 is a deficient number, since it is larger than the sum of its proper divisors (11506463).

476786881 is a wasteful number, since it uses less digits than its factorization.

476786881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551.

The product of its digits is 3612672, while the sum is 55.

The square root of 476786881 is about 21835.4500984065. The cubic root of 476786881 is about 781.2225409784. Note that the first 3 decimals are identical.

The spelling of 476786881 in words is "four hundred seventy-six million, seven hundred eighty-six thousand, eight hundred eighty-one".