678443314 has 8 divisors (see below), whose sum is σ = 1018372608. Its totient is φ = 338985780.

The previous prime is 678443303. The next prime is 678443321. The reversal of 678443314 is 413344876.

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

It is a super-2 number, since 2×678443314² = 920570660622605192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114322 + ... + 120109.

It is an arithmetic number, because the mean of its divisors is an integer number (127296576).

Almost surely, 2^678443314 is an apocalyptic number.

678443314 is a deficient number, since it is larger than the sum of its proper divisors (339929294).

678443314 is a wasteful number, since it uses less digits than its factorization.

678443314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235880.

The product of its digits is 193536, while the sum is 40.

The square root of 678443314 is about 26046.9444273220. The cubic root of 678443314 is about 878.6943939664.

The spelling of 678443314 in words is "six hundred seventy-eight million, four hundred forty-three thousand, three hundred fourteen".