678901422 has 8 divisors (see below), whose sum is σ = 1357802856. Its totient is φ = 226300472.

The previous prime is 678901381. The next prime is 678901427. The reversal of 678901422 is 224109876.

It is a sphenic number, since it is the product of 3 distinct primes.

678901422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678901427) 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 3 ways as a sum of consecutive naturals, for example, 56575113 + ... + 56575124.

It is an arithmetic number, because the mean of its divisors is an integer number (169725357).

Almost surely, 2^678901422 is an apocalyptic number.

678901422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

678901422 is a wasteful number, since it uses less digits than its factorization.

678901422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113150242.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 678901422 is about 26055.7368347165. The cubic root of 678901422 is about 878.8921242483.

The spelling of 678901422 in words is "six hundred seventy-eight million, nine hundred one thousand, four hundred twenty-two".