477348337217 has 4 divisors (see below), whose sum is σ = 477352862676. Its totient is φ = 477343811760.

The previous prime is 477348337183. The next prime is 477348337223. The reversal of 477348337217 is 712733843774.

It is a Cunningham number, because it is equal to 690904²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333986903056 + 143361434161 = 577916^2 + 378631^2 .

It is a cyclic number.

It is not a de Polignac number, because 477348337217 - 2¹⁴ = 477348320833 is a prime.

It is a super-2 number, since 2×477348337217² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477348337517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100638 + ... + 2316759.

It is an arithmetic number, because the mean of its divisors is an integer number (119338215669).

Almost surely, 2^477348337217 is an apocalyptic number.

It is an amenable number.

477348337217 is a deficient number, since it is larger than the sum of its proper divisors (4525459).

477348337217 is a wasteful number, since it uses less digits than its factorization.

477348337217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525458.

The product of its digits is 16595712, while the sum is 56.

The spelling of 477348337217 in words is "four hundred seventy-seven billion, three hundred forty-eight million, three hundred thirty-seven thousand, two hundred seventeen".