678834104 has 16 divisors (see below), whose sum is σ = 1370722920. Its totient is φ = 313308000.

The previous prime is 678834103. The next prime is 678834119. The reversal of 678834104 is 401438876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678834103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3263522 + ... + 3263729.

Almost surely, 2^678834104 is an apocalyptic number.

It is an amenable number.

678834104 is an abundant number, since it is smaller than the sum of its proper divisors (691888816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678834104 is a wasteful number, since it uses less digits than its factorization.

678834104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527270 (or 6527266 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 678834104 is about 26054.4449950483. Note that the first 3 decimals coincide. The cubic root of 678834104 is about 878.8630737786.

The spelling of 678834104 in words is "six hundred seventy-eight million, eight hundred thirty-four thousand, one hundred four".