43277274064 has 20 divisors (see below), whose sum is σ = 84405019360. Its totient is φ = 21495333600.

The previous prime is 43277274059. The next prime is 43277274067. The reversal of 43277274064 is 46047277234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43277274067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953974 + ... + 8958805.

It is an arithmetic number, because the mean of its divisors is an integer number (4220250968).

Almost surely, 2^43277274064 is an apocalyptic number.

It is an amenable number.

43277274064 is a deficient number, since it is larger than the sum of its proper divisors (41127745296).

43277274064 is a wasteful number, since it uses less digits than its factorization.

43277274064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912938 (or 17912932 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 46.

The spelling of 43277274064 in words is "forty-three billion, two hundred seventy-seven million, two hundred seventy-four thousand, sixty-four".