678229282986 has 16 divisors (see below), whose sum is σ = 1356474009024. Its totient is φ = 226073853824.

The previous prime is 678229282981. The next prime is 678229282999. The reversal of 678229282986 is 689282922876.

It is a self number, because there is not a number n which added to its sum of digits gives 678229282986.

It is not an unprimeable number, because it can be changed into a prime (678229282981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27111 + ... + 1164986.

It is an arithmetic number, because the mean of its divisors is an integer number (84779625564).

Almost surely, 2^678229282986 is an apocalyptic number.

678229282986 is an abundant number, since it is smaller than the sum of its proper divisors (678244726038).

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

678229282986 is a wasteful number, since it uses less digits than its factorization.

678229282986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286925.

The product of its digits is 167215104, while the sum is 69.

The spelling of 678229282986 in words is "six hundred seventy-eight billion, two hundred twenty-nine million, two hundred eighty-two thousand, nine hundred eighty-six".