683878963 has 4 divisors (see below), whose sum is σ = 683955720. Its totient is φ = 683802208.

The previous prime is 683878931. The next prime is 683878967. The reversal of 683878963 is 369878386.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 683878963 - 2⁵ = 683878931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 683878898 and 683878907.

It is not an unprimeable number, because it can be changed into a prime (683878967) 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 3 ways as a sum of consecutive naturals, for example, 22945 + ... + 43522.

It is an arithmetic number, because the mean of its divisors is an integer number (170988930).

Almost surely, 2^683878963 is an apocalyptic number.

683878963 is a deficient number, since it is larger than the sum of its proper divisors (76757).

683878963 is a wasteful number, since it uses less digits than its factorization.

683878963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76756.

The product of its digits is 10450944, while the sum is 58.

The square root of 683878963 is about 26151.0795761858. The cubic root of 683878963 is about 881.0348376141.

The spelling of 683878963 in words is "six hundred eighty-three million, eight hundred seventy-eight thousand, nine hundred sixty-three".