477638797 has 16 divisors (see below), whose sum is σ = 500860800. Its totient is φ = 455112000.

The previous prime is 477638773. The next prime is 477638803. The reversal of 477638797 is 797836774.

It is not a de Polignac number, because 477638797 - 2¹⁹ = 477114509 is a prime.

It is a Duffinian number.

Its product of digits (12446784) is a multiple of the sum of its prime divisors (1764).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477638747) 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 15 ways as a sum of consecutive naturals, for example, 307579 + ... + 309127.

It is an arithmetic number, because the mean of its divisors is an integer number (31303800).

Almost surely, 2^477638797 is an apocalyptic number.

It is an amenable number.

477638797 is a deficient number, since it is larger than the sum of its proper divisors (23222003).

477638797 is a wasteful number, since it uses less digits than its factorization.

477638797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its digits is 12446784, while the sum is 58.

The square root of 477638797 is about 21854.9490276230. The cubic root of 477638797 is about 781.6875565592.

The spelling of 477638797 in words is "four hundred seventy-seven million, six hundred thirty-eight thousand, seven hundred ninety-seven".