6427854816 has 24 divisors (see below), whose sum is σ = 16873119144. Its totient is φ = 2142618240.

The previous prime is 6427854773. The next prime is 6427854841. The reversal of 6427854816 is 6184587246.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33478315 + ... + 33478506.

It is an arithmetic number, because the mean of its divisors is an integer number (703046631).

Almost surely, 2^6427854816 is an apocalyptic number.

It is an amenable number.

6427854816 is an abundant number, since it is smaller than the sum of its proper divisors (10445264328).

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

6427854816 is a wasteful number, since it uses less digits than its factorization.

6427854816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66956834 (or 66956826 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 6427854816 is about 80173.9035846453. The cubic root of 6427854816 is about 1859.3251893616.

The spelling of 6427854816 in words is "six billion, four hundred twenty-seven million, eight hundred fifty-four thousand, eight hundred sixteen".