6840046886 has 4 divisors (see below), whose sum is σ = 10260070332. Its totient is φ = 3420023442.

The previous prime is 6840046861. The next prime is 6840046901. The reversal of 6840046886 is 6886400486.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710011720 + ... + 1710011723.

It is an arithmetic number, because the mean of its divisors is an integer number (2565017583).

Almost surely, 2^6840046886 is an apocalyptic number.

6840046886 is a deficient number, since it is larger than the sum of its proper divisors (3420023446).

6840046886 is a wasteful number, since it uses less digits than its factorization.

6840046886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420023445.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 6840046886 is about 82704.5759677178. The cubic root of 6840046886 is about 1898.2483288800.

The spelling of 6840046886 in words is "six billion, eight hundred forty million, forty-six thousand, eight hundred eighty-six".