647676707000 has 256 divisors, whose sum is σ = 1613490278400. Its totient is φ = 242948160000.

The previous prime is 647676706997. The next prime is 647676707039. The reversal of 647676707000 is 707676746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 647676707000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174621146 + ... + 174624854.

It is an arithmetic number, because the mean of its divisors is an integer number (6302696400).

Almost surely, 2^647676707000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647676707000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806745139200).

647676707000 is an abundant number, since it is smaller than the sum of its proper divisors (965813571400).

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

647676707000 is a wasteful number, since it uses less digits than its factorization.

647676707000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 647676707000 in words is "six hundred forty-seven billion, six hundred seventy-six million, seven hundred seven thousand".