678296236 has 12 divisors (see below), whose sum is σ = 1187652312. Its totient is φ = 338967008.

The previous prime is 678296183. The next prime is 678296237. The reversal of 678296236 is 632692876.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 678296236.

It is not an unprimeable number, because it can be changed into a prime (678296237) 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, 36670 + ... + 51973.

It is an arithmetic number, because the mean of its divisors is an integer number (98971026).

Almost surely, 2^678296236 is an apocalyptic number.

It is an amenable number.

678296236 is a deficient number, since it is larger than the sum of its proper divisors (509356076).

678296236 is a wasteful number, since it uses less digits than its factorization.

678296236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90560 (or 90558 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 678296236 is about 26044.1209488821. The cubic root of 678296236 is about 878.6308927367.

The spelling of 678296236 in words is "six hundred seventy-eight million, two hundred ninety-six thousand, two hundred thirty-six".