678403060 has 12 divisors (see below), whose sum is σ = 1424646468. Its totient is φ = 271361216.

The previous prime is 678403057. The next prime is 678403069. The reversal of 678403060 is 60304876.

It can be written as a sum of positive squares in 2 ways, for example, as 318693904 + 359709156 = 17852^2 + 18966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678403069) 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, 16960057 + ... + 16960096.

It is an arithmetic number, because the mean of its divisors is an integer number (118720539).

Almost surely, 2^678403060 is an apocalyptic number.

It is an amenable number.

678403060 is an abundant number, since it is smaller than the sum of its proper divisors (746243408).

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

678403060 is a wasteful number, since it uses less digits than its factorization.

678403060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33920162 (or 33920160 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 678403060 is about 26046.1716956638. The cubic root of 678403060 is about 878.6770151312.

The spelling of 678403060 in words is "six hundred seventy-eight million, four hundred three thousand, sixty".