647984831799000 has 128 divisors (see below), whose sum is σ = 2068729249466880. Its totient is φ = 168777444528000.

The previous prime is 647984831798977. The next prime is 647984831799077. The reversal of 647984831799000 is 997138489746.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2511440116 + ... + 2511698115.

It is an arithmetic number, because the mean of its divisors is an integer number (16161947261460).

Almost surely, 2^{647984831799000} is an apocalyptic number.

647984831799000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647984831799000 is an abundant number, since it is smaller than the sum of its proper divisors (1420744417667880).

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

647984831799000 is a wasteful number, since it uses less digits than its factorization.

647984831799000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023138298 (or 5023138284 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 75.

The spelling of 647984831799000 in words is "six hundred forty-seven trillion, nine hundred eighty-four billion, eight hundred thirty-one million, seven hundred ninety-nine thousand".