647607736848 has 40 divisors (see below), whose sum is σ = 1674403384896. Its totient is φ = 215686441600.

The previous prime is 647607736781. The next prime is 647607736871. The reversal of 647607736848 is 848637706746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655348 + ... + 5768723.

Almost surely, 2^647607736848 is an apocalyptic number.

It is an amenable number.

647607736848 is an abundant number, since it is smaller than the sum of its proper divisors (1026795648048).

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

647607736848 is a wasteful number, since it uses less digits than its factorization.

647607736848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425263 (or 11425257 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 66.

The spelling of 647607736848 in words is "six hundred forty-seven billion, six hundred seven million, seven hundred thirty-six thousand, eight hundred forty-eight".