678960226 has 16 divisors (see below), whose sum is σ = 1167657984. Its totient is φ = 290051424.

The previous prime is 678960223. The next prime is 678960251. The reversal of 678960226 is 622069876.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (678960221) 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, 73090 + ... + 81853.

It is an arithmetic number, because the mean of its divisors is an integer number (72978624).

Almost surely, 2^678960226 is an apocalyptic number.

678960226 is a deficient number, since it is larger than the sum of its proper divisors (488697758).

678960226 is a wasteful number, since it uses less digits than its factorization.

678960226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155265.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 678960226 is about 26056.8652373995. The cubic root of 678960226 is about 878.9174990075.

The spelling of 678960226 in words is "six hundred seventy-eight million, nine hundred sixty thousand, two hundred twenty-six".