6378657846 has 64 divisors (see below), whose sum is σ = 15045592320. Its totient is φ = 1781688960.

The previous prime is 6378657811. The next prime is 6378657847. The reversal of 6378657846 is 6487568736.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6378657846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378657847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22341 + ... + 115136.

It is an arithmetic number, because the mean of its divisors is an integer number (235087380).

Almost surely, 2^6378657846 is an apocalyptic number.

6378657846 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6378657846 is an abundant number, since it is smaller than the sum of its proper divisors (8666934474).

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

6378657846 is a wasteful number, since it uses less digits than its factorization.

6378657846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137549.

The product of its digits is 40642560, while the sum is 60.

The square root of 6378657846 is about 79866.5001486856. The cubic root of 6378657846 is about 1854.5694538203.

The spelling of 6378657846 in words is "six billion, three hundred seventy-eight million, six hundred fifty-seven thousand, eight hundred forty-six".