647822652848 has 40 divisors (see below), whose sum is σ = 1434509295648. Its totient is φ = 277629599232.

The previous prime is 647822652847. The next prime is 647822652859. The reversal of 647822652848 is 848256228746.

It is a super-2 number, since 2×647822652848² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (647822652847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579790 + ... + 4719122.

Almost surely, 2^647822652848 is an apocalyptic number.

It is an amenable number.

647822652848 is an abundant number, since it is smaller than the sum of its proper divisors (786686642800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647822652848 is a wasteful number, since it uses less digits than its factorization.

647822652848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180861 (or 180855 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 62.

The spelling of 647822652848 in words is "six hundred forty-seven billion, eight hundred twenty-two million, six hundred fifty-two thousand, eight hundred forty-eight".