64883347836 has 24 divisors (see below), whose sum is σ = 159362609280. Its totient is φ = 20489478192.

The previous prime is 64883347813. The next prime is 64883347843. The reversal of 64883347836 is 63874338846.

It is a self number, because there is not a number n which added to its sum of digits gives 64883347836.

It is a congruent number.

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, 142287816 + ... + 142288271.

It is an arithmetic number, because the mean of its divisors is an integer number (6640108720).

Almost surely, 2^64883347836 is an apocalyptic number.

It is an amenable number.

64883347836 is an abundant number, since it is smaller than the sum of its proper divisors (94479261444).

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

64883347836 is a wasteful number, since it uses less digits than its factorization.

64883347836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284576113 (or 284576111 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 60.

The spelling of 64883347836 in words is "sixty-four billion, eight hundred eighty-three million, three hundred forty-seven thousand, eight hundred thirty-six".