6858983986 has 8 divisors (see below), whose sum is σ = 10319559984. Its totient is φ = 3419130660.

The previous prime is 6858983977. The next prime is 6858983987. The reversal of 6858983986 is 6893898586.

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

It is a super-2 number, since 2×6858983986² = 94091322640408896392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6858983987) 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, 5179840 + ... + 5181163.

It is an arithmetic number, because the mean of its divisors is an integer number (1289944998).

Almost surely, 2^6858983986 is an apocalyptic number.

6858983986 is a deficient number, since it is larger than the sum of its proper divisors (3460575998).

6858983986 is a wasteful number, since it uses less digits than its factorization.

6858983986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361336.

The product of its digits is 179159040, while the sum is 70.

The square root of 6858983986 is about 82818.9832465963. The cubic root of 6858983986 is about 1899.9985213285.

The spelling of 6858983986 in words is "six billion, eight hundred fifty-eight million, nine hundred eighty-three thousand, nine hundred eighty-six".