477631393 has 8 divisors (see below), whose sum is σ = 485703680. Its totient is φ = 469609920.

The previous prime is 477631361. The next prime is 477631397. The reversal of 477631393 is 393136774.

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 477631393 - 2⁵ = 477631361 is a prime.

It is a super-3 number, since 3×477631393³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477631397) 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, 6496 + ... + 31582.

It is an arithmetic number, because the mean of its divisors is an integer number (60712960).

Almost surely, 2^477631393 is an apocalyptic number.

It is an amenable number.

477631393 is a deficient number, since it is larger than the sum of its proper divisors (8072287).

477631393 is a wasteful number, since it uses less digits than its factorization.

477631393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25407.

The product of its digits is 285768, while the sum is 43.

The square root of 477631393 is about 21854.7796374157. The cubic root of 477631393 is about 781.6835174927.

The spelling of 477631393 in words is "four hundred seventy-seven million, six hundred thirty-one thousand, three hundred ninety-three".