678114722 has 16 divisors (see below), whose sum is σ = 1027123200. Its totient is φ = 335750688.

The previous prime is 678114721. The next prime is 678114733. The reversal of 678114722 is 227411876.

It is not an unprimeable number, because it can be changed into a prime (678114721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149918 + ... + 154374.

It is an arithmetic number, because the mean of its divisors is an integer number (64195200).

Almost surely, 2^678114722 is an apocalyptic number.

678114722 is a deficient number, since it is larger than the sum of its proper divisors (349008478).

678114722 is a wasteful number, since it uses less digits than its factorization.

678114722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185.

The product of its digits is 37632, while the sum is 38.

The square root of 678114722 is about 26040.6359753367. The cubic root of 678114722 is about 878.5525110368.

The spelling of 678114722 in words is "six hundred seventy-eight million, one hundred fourteen thousand, seven hundred twenty-two".