477704447 has 16 divisors (see below), whose sum is σ = 540562464. Its totient is φ = 418320000.

The previous prime is 477704419. The next prime is 477704473. The reversal of 477704447 is 744407774.

It is a cyclic number.

It is not a de Polignac number, because 477704447 - 2²⁴ = 460927231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477704398 and 477704407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477704477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35297 + ... + 46917.

It is an arithmetic number, because the mean of its divisors is an integer number (33785154).

Almost surely, 2^477704447 is an apocalyptic number.

477704447 is a deficient number, since it is larger than the sum of its proper divisors (62858017).

477704447 is a wasteful number, since it uses less digits than its factorization.

477704447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770.

The product of its (nonzero) digits is 614656, while the sum is 44.

The square root of 477704447 is about 21856.4509241551. The cubic root of 477704447 is about 781.7233684442.

Adding to 477704447 its reverse (744407774), we get a palindrome (1222112221).

The spelling of 477704447 in words is "four hundred seventy-seven million, seven hundred four thousand, four hundred forty-seven".