647027273885 has 8 divisors (see below), whose sum is σ = 776516931936. Its totient is φ = 517565683600.

The previous prime is 647027273873. The next prime is 647027273887. The reversal of 647027273885 is 588372720746.

647027273885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 647027273885 - 2⁶ = 647027273821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647027273887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6966191 + ... + 7058460.

It is an arithmetic number, because the mean of its divisors is an integer number (97064616492).

Almost surely, 2^647027273885 is an apocalyptic number.

It is an amenable number.

647027273885 is a deficient number, since it is larger than the sum of its proper divisors (129489658051).

647027273885 is a wasteful number, since it uses less digits than its factorization.

647027273885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14033883.

The product of its (nonzero) digits is 31610880, while the sum is 59.

The spelling of 647027273885 in words is "six hundred forty-seven billion, twenty-seven million, two hundred seventy-three thousand, eight hundred eighty-five".