477693851716 has 9 divisors (see below), whose sum is σ = 835966659549. Its totient is φ = 238846234704.

The previous prime is 477693851659. The next prime is 477693851737. The reversal of 477693851716 is 617158396774.

The square root of 477693851716 is 691154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19765548100 + 457928303616 = 140590^2 + 676704^2 .

It is a super-2 number, since 2×477693851716² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1209520 + ... + 1555096.

Almost surely, 2^477693851716 is an apocalyptic number.

477693851716 is the 691154-th square number.

It is an amenable number.

477693851716 is a deficient number, since it is larger than the sum of its proper divisors (358272807833).

477693851716 is an frugal number, since it uses more digits than its factorization.

477693851716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691158 (or 345579 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 64.

Multiplying 477693851716 by its sum of digits (64), we get a square (30572406509824 = 5529232²).

It can be divided in two parts, 477693 and 851716, that added together give a square (1329409 = 1153²).

The spelling of 477693851716 in words is "four hundred seventy-seven billion, six hundred ninety-three million, eight hundred fifty-one thousand, seven hundred sixteen".