678119076 has 18 divisors (see below), whose sum is σ = 1714134422. Its totient is φ = 226039680.

The previous prime is 678119033. The next prime is 678119077. The reversal of 678119076 is 670911876.

It can be written as a sum of positive squares in only one way, i.e., 654848100 + 23270976 = 25590^2 + 4824^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (678119077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9418285 + ... + 9418356.

Almost surely, 2^678119076 is an apocalyptic number.

It is an amenable number.

678119076 is an abundant number, since it is smaller than the sum of its proper divisors (1036015346).

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

678119076 is a wasteful number, since it uses less digits than its factorization.

678119076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836651 (or 18836646 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 678119076 is about 26040.7195753113. The cubic root of 678119076 is about 878.5543913526.

The spelling of 678119076 in words is "six hundred seventy-eight million, one hundred nineteen thousand, seventy-six".