678040112 has 10 divisors (see below), whose sum is σ = 1313702748. Its totient is φ = 339020048.

The previous prime is 678040109. The next prime is 678040123. The reversal of 678040112 is 211040876.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188738 + ... + 21188769.

Almost surely, 2^678040112 is an apocalyptic number.

It is an amenable number.

678040112 is a deficient number, since it is larger than the sum of its proper divisors (635662636).

678040112 is a wasteful number, since it uses less digits than its factorization.

678040112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377515 (or 42377509 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 678040112 is about 26039.2033672307. The cubic root of 678040112 is about 878.5202887569.

Adding to 678040112 its reverse (211040876), we get a palindrome (889080988).

The spelling of 678040112 in words is "six hundred seventy-eight million, forty thousand, one hundred twelve".