647461096280 has 128 divisors (see below), whose sum is σ = 1551480194880. Its totient is φ = 242331648000.

The previous prime is 647461096253. The next prime is 647461096291. The reversal of 647461096280 is 82690164746.

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, 101210042 + ... + 101216438.

Almost surely, 2^647461096280 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 647461096280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775740097440).

647461096280 is an abundant number, since it is smaller than the sum of its proper divisors (904019098600).

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

647461096280 is a wasteful number, since it uses less digits than its factorization.

647461096280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269 (or 7265 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 647461096280 in words is "six hundred forty-seven billion, four hundred sixty-one million, ninety-six thousand, two hundred eighty".