647203715248 has 80 divisors (see below), whose sum is σ = 1319767870720. Its totient is φ = 307143353088.

The previous prime is 647203715233. The next prime is 647203715251. The reversal of 647203715248 is 842517302746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006183 + ... + 4164601.

It is an arithmetic number, because the mean of its divisors is an integer number (16497098384).

Almost surely, 2^647203715248 is an apocalyptic number.

It is an amenable number.

647203715248 is an abundant number, since it is smaller than the sum of its proper divisors (672564155472).

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

647203715248 is a wasteful number, since it uses less digits than its factorization.

647203715248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158634 (or 158628 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 647203715248 in words is "six hundred forty-seven billion, two hundred three million, seven hundred fifteen thousand, two hundred forty-eight".