814223678 has 16 divisors (see below), whose sum is σ = 1236309360. Its totient is φ = 402143616.

The previous prime is 814223593. The next prime is 814223681. The reversal of 814223678 is 876322418.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67925 + ... + 79007.

It is an arithmetic number, because the mean of its divisors is an integer number (77269335).

Almost surely, 2^814223678 is an apocalyptic number.

814223678 is a deficient number, since it is larger than the sum of its proper divisors (422085682).

814223678 is a wasteful number, since it uses less digits than its factorization.

814223678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531.

The product of its digits is 129024, while the sum is 41.

The square root of 814223678 is about 28534.6049210428. The cubic root of 814223678 is about 933.7871844009.

The spelling of 814223678 in words is "eight hundred fourteen million, two hundred twenty-three thousand, six hundred seventy-eight".