678065260 has 24 divisors (see below), whose sum is σ = 1424601360. Its totient is φ = 271099584.

The previous prime is 678065249. The next prime is 678065273. The reversal of 678065260 is 62560876.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44511 + ... + 57769.

It is an arithmetic number, because the mean of its divisors is an integer number (59358390).

Almost surely, 2^678065260 is an apocalyptic number.

It is an amenable number.

678065260 is an abundant number, since it is smaller than the sum of its proper divisors (746536100).

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

678065260 is a wasteful number, since it uses less digits than its factorization.

678065260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15825 (or 15823 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 678065260 is about 26039.6862500300. The cubic root of 678065260 is about 878.5311498425.

The spelling of 678065260 in words is "six hundred seventy-eight million, sixty-five thousand, two hundred sixty".