477147112221 has 32 divisors (see below), whose sum is σ = 688941836800. Its totient is φ = 292001241600.

The previous prime is 477147112207. The next prime is 477147112223. The reversal of 477147112221 is 122211741774.

It is not a de Polignac number, because 477147112221 - 2¹³ = 477147104029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 477147112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477147112223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5676105 + ... + 5759553.

It is an arithmetic number, because the mean of its divisors is an integer number (21529432400).

Almost surely, 2^477147112221 is an apocalyptic number.

It is an amenable number.

477147112221 is a deficient number, since it is larger than the sum of its proper divisors (211794724579).

477147112221 is a wasteful number, since it uses less digits than its factorization.

477147112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84277.

The product of its digits is 43904, while the sum is 39.

Adding to 477147112221 its reverse (122211741774), we get a palindrome (599358853995).

The spelling of 477147112221 in words is "four hundred seventy-seven billion, one hundred forty-seven million, one hundred twelve thousand, two hundred twenty-one".