678913893380 has 24 divisors (see below), whose sum is σ = 1426655365632. Its totient is φ = 271387235552.

The previous prime is 678913893379. The next prime is 678913893389. The reversal of 678913893380 is 83398319876.

It is not an unprimeable number, because it can be changed into a prime (678913893389) 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 7 ways as a sum of consecutive naturals, for example, 11113892 + ... + 11174811.

It is an arithmetic number, because the mean of its divisors is an integer number (59443973568).

Almost surely, 2^678913893380 is an apocalyptic number.

It is an amenable number.

678913893380 is an abundant number, since it is smaller than the sum of its proper divisors (747741472252).

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

678913893380 is a wasteful number, since it uses less digits than its factorization.

678913893380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22290235 (or 22290233 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 678913893380 in words is "six hundred seventy-eight billion, nine hundred thirteen million, eight hundred ninety-three thousand, three hundred eighty".