683878039 has 12 divisors (see below), whose sum is σ = 777291816. Its totient is φ = 598043088.

The previous prime is 683878037. The next prime is 683878049. The reversal of 683878039 is 930878386.

It is a happy number.

It is not a de Polignac number, because 683878039 - 2¹ = 683878037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683878037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68169 + ... + 77554.

It is an arithmetic number, because the mean of its divisors is an integer number (64774318).

Almost surely, 2^683878039 is an apocalyptic number.

683878039 is a deficient number, since it is larger than the sum of its proper divisors (93413777).

683878039 is a wasteful number, since it uses less digits than its factorization.

683878039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145774 (or 145755 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 683878039 is about 26151.0619096051. The cubic root of 683878039 is about 881.0344408204.

The spelling of 683878039 in words is "six hundred eighty-three million, eight hundred seventy-eight thousand, thirty-nine".