647268278606 has 16 divisors (see below), whose sum is σ = 1012048860240. Its totient is φ = 310089037440.

The previous prime is 647268278593. The next prime is 647268278611. The reversal of 647268278606 is 606872862746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42587051 + ... + 42602246.

It is an arithmetic number, because the mean of its divisors is an integer number (63253053765).

Almost surely, 2^647268278606 is an apocalyptic number.

647268278606 is a deficient number, since it is larger than the sum of its proper divisors (364780581634).

647268278606 is a wasteful number, since it uses less digits than its factorization.

647268278606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85189459.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 647268278606 in words is "six hundred forty-seven billion, two hundred sixty-eight million, two hundred seventy-eight thousand, six hundred six".