6846427057 has 4 divisors (see below), whose sum is σ = 6975604980. Its totient is φ = 6717249136.

The previous prime is 6846426991. The next prime is 6846427087. The reversal of 6846427057 is 7507246486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2902084641 + 3944342416 = 53871^2 + 62804^2 .

It is a cyclic number.

It is not a de Polignac number, because 6846427057 - 2¹⁹ = 6845902769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6846427057.

It is not an unprimeable number, because it can be changed into a prime (6846427087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64588882 + ... + 64588987.

It is an arithmetic number, because the mean of its divisors is an integer number (1743901245).

Almost surely, 2^6846427057 is an apocalyptic number.

It is an amenable number.

6846427057 is a deficient number, since it is larger than the sum of its proper divisors (129177923).

6846427057 is a wasteful number, since it uses less digits than its factorization.

6846427057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129177922.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 6846427057 is about 82743.1390327923. The cubic root of 6846427057 is about 1898.8383533571.

The spelling of 6846427057 in words is "six billion, eight hundred forty-six million, four hundred twenty-seven thousand, fifty-seven".