647058005 has 16 divisors (see below), whose sum is σ = 876268800. Its totient is φ = 454359360.

The previous prime is 647057981. The next prime is 647058017. The reversal of 647058005 is 500850746.

It is not a de Polignac number, because 647058005 - 2¹⁰ = 647056981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201245 + ... + 204434.

It is an arithmetic number, because the mean of its divisors is an integer number (54766800).

Almost surely, 2^647058005 is an apocalyptic number.

It is an amenable number.

647058005 is a deficient number, since it is larger than the sum of its proper divisors (229210795).

647058005 is a wasteful number, since it uses less digits than its factorization.

647058005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405724.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 647058005 is about 25437.3348643288. The cubic root of 647058005 is about 864.9302203503.

The spelling of 647058005 in words is "six hundred forty-seven million, fifty-eight thousand, five".