6748428856 has 32 divisors (see below), whose sum is σ = 13683700800. Its totient is φ = 3101616000.

The previous prime is 6748428839. The next prime is 6748428889. The reversal of 6748428856 is 6588248476.

It is a self number, because there is not a number n which added to its sum of digits gives 6748428856.

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, 110895 + ... + 160606.

It is an arithmetic number, because the mean of its divisors is an integer number (427615650).

Almost surely, 2^6748428856 is an apocalyptic number.

It is an amenable number.

6748428856 is an abundant number, since it is smaller than the sum of its proper divisors (6935271944).

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

6748428856 is a wasteful number, since it uses less digits than its factorization.

6748428856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271759 (or 271755 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 58.

The square root of 6748428856 is about 82148.8213914235. The cubic root of 6748428856 is about 1889.7349325458.

The spelling of 6748428856 in words is "six billion, seven hundred forty-eight million, four hundred twenty-eight thousand, eight hundred fifty-six".