678857829400 has 48 divisors (see below), whose sum is σ = 1646968136400. Its totient is φ = 259736906880.

The previous prime is 678857829329. The next prime is 678857829413. The reversal of 678857829400 is 4928758876.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 73784295 + ... + 73793494.

It is an arithmetic number, because the mean of its divisors is an integer number (34311836175).

Almost surely, 2^678857829400 is an apocalyptic number.

It is an amenable number.

678857829400 is an abundant number, since it is smaller than the sum of its proper divisors (968110307000).

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

678857829400 is a wasteful number, since it uses less digits than its factorization.

678857829400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147577828 (or 147577819 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 678857829400 in words is "six hundred seventy-eight billion, eight hundred fifty-seven million, eight hundred twenty-nine thousand, four hundred".