678328486099 has 16 divisors (see below), whose sum is σ = 761979064320. Its totient is φ = 598429006560.

The previous prime is 678328486097. The next prime is 678328486123. The reversal of 678328486099 is 990684823876.

It is not a de Polignac number, because 678328486099 - 2¹ = 678328486097 is a prime.

It is a super-2 number, since 2×678328486099² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678328486097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019909 + ... + 2331670.

It is an arithmetic number, because the mean of its divisors is an integer number (47623691520).

Almost surely, 2^678328486099 is an apocalyptic number.

678328486099 is a deficient number, since it is larger than the sum of its proper divisors (83650578221).

678328486099 is a wasteful number, since it uses less digits than its factorization.

678328486099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352010.

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 678328486099 in words is "six hundred seventy-eight billion, three hundred twenty-eight million, four hundred eighty-six thousand, ninety-nine".