5278657312 has 24 divisors (see below), whose sum is σ = 10568502000. Its totient is φ = 2594593344.

The previous prime is 5278657303. The next prime is 5278657327. The reversal of 5278657312 is 2137568725.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396062 + ... + 1399837.

It is an arithmetic number, because the mean of its divisors is an integer number (440354250).

Almost surely, 2^5278657312 is an apocalyptic number.

It is an amenable number.

5278657312 is an abundant number, since it is smaller than the sum of its proper divisors (5289844688).

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

5278657312 is a wasteful number, since it uses less digits than its factorization.

5278657312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795968 (or 2795960 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 5278657312 is about 72654.3688431742. The cubic root of 5278657312 is about 1741.1699217968.

The spelling of 5278657312 in words is "five billion, two hundred seventy-eight million, six hundred fifty-seven thousand, three hundred twelve".