6426677847 has 8 divisors (see below), whose sum is σ = 8599183744. Its totient is φ = 4269311928.

The previous prime is 6426677843. The next prime is 6426677903. The reversal of 6426677847 is 7487766246.

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

It is not a de Polignac number, because 6426677847 - 2² = 6426677843 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 (6426677843) 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, 3784003 + ... + 3785700.

It is an arithmetic number, because the mean of its divisors is an integer number (1074897968).

Almost surely, 2^6426677847 is an apocalyptic number.

6426677847 is a deficient number, since it is larger than the sum of its proper divisors (2172505897).

6426677847 is a wasteful number, since it uses less digits than its factorization.

6426677847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569989.

The product of its digits is 18966528, while the sum is 57.

The square root of 6426677847 is about 80166.5631482353. The cubic root of 6426677847 is about 1859.2116988451.

The spelling of 6426677847 in words is "six billion, four hundred twenty-six million, six hundred seventy-seven thousand, eight hundred forty-seven".