647367005217 has 32 divisors (see below), whose sum is σ = 912055936000. Its totient is φ = 407304469440.

The previous prime is 647367005143. The next prime is 647367005237. The reversal of 647367005217 is 712500763746.

It is not a de Polignac number, because 647367005217 - 2¹⁴ = 647366988833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (647367005237) 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, 16520634 + ... + 16559772.

It is an arithmetic number, because the mean of its divisors is an integer number (28501748000).

Almost surely, 2^647367005217 is an apocalyptic number.

It is an amenable number.

647367005217 is a deficient number, since it is larger than the sum of its proper divisors (264688930783).

647367005217 is a wasteful number, since it uses less digits than its factorization.

647367005217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40261.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 647367005217 in words is "six hundred forty-seven billion, three hundred sixty-seven million, five thousand, two hundred seventeen".