6447674783 has 8 divisors (see below), whose sum is σ = 7080410496. Its totient is φ = 5822703000.

The previous prime is 6447674771. The next prime is 6447674789. The reversal of 6447674783 is 3874767446.

6447674783 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 6447674783 - 2⁴ = 6447674767 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 (6447674789) 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, 1939241 + ... + 1942562.

It is an arithmetic number, because the mean of its divisors is an integer number (885051312).

Almost surely, 2^6447674783 is an apocalyptic number.

6447674783 is a deficient number, since it is larger than the sum of its proper divisors (632735713).

6447674783 is a wasteful number, since it uses less digits than its factorization.

6447674783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881965.

The product of its digits is 18966528, while the sum is 56.

The square root of 6447674783 is about 80297.4145474186. The cubic root of 6447674783 is about 1861.2342737475.

The spelling of 6447674783 in words is "six billion, four hundred forty-seven million, six hundred seventy-four thousand, seven hundred eighty-three".