6789898986 has 32 divisors (see below), whose sum is σ = 14714145600. Its totient is φ = 2076378624.

The previous prime is 6789898981. The next prime is 6789898987. The reversal of 6789898986 is 6898989876.

It is a super-2 number, since 2×6789898986² = 92205456480167656392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is not an unprimeable number, because it can be changed into a prime (6789898981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254311 + ... + 279738.

It is an arithmetic number, because the mean of its divisors is an integer number (459817050).

Almost surely, 2^6789898986 is an apocalyptic number.

6789898986 is an abundant number, since it is smaller than the sum of its proper divisors (7924246614).

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

6789898986 is a wasteful number, since it uses less digits than its factorization.

6789898986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534230.

The product of its digits is 752467968, while the sum is 78.

The square root of 6789898986 is about 82400.8433573346. The cubic root of 6789898986 is about 1893.5979340389.

The spelling of 6789898986 in words is "six billion, seven hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred eighty-six".