6477859 has 2 divisors, whose sum is σ = 6477860. Its totient is φ = 6477858.

The previous prime is 6477857. The next prime is 6477871. The reversal of 6477859 is 9587746.

It is a happy number.

6477859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6477859 - 2¹ = 6477857 is a prime.

Together with 6477857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6477857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238929 + 3238930.

It is an arithmetic number, because the mean of its divisors is an integer number (3238930).

Almost surely, 2^6477859 is an apocalyptic number.

6477859 is a deficient number, since it is larger than the sum of its proper divisors (1).

6477859 is an equidigital number, since it uses as much as digits as its factorization.

6477859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 6477859 is about 2545.1638454135. The cubic root of 6477859 is about 186.4134154264.

The spelling of 6477859 in words is "six million, four hundred seventy-seven thousand, eight hundred fifty-nine".