979668683 has 4 divisors (see below), whose sum is σ = 1119621360. Its totient is φ = 839716008.

The previous prime is 979668661. The next prime is 979668689. The reversal of 979668683 is 386866979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979668683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979668689) 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, 69976328 + ... + 69976341.

It is an arithmetic number, because the mean of its divisors is an integer number (279905340).

Almost surely, 2^979668683 is an apocalyptic number.

979668683 is a deficient number, since it is larger than the sum of its proper divisors (139952677).

979668683 is a wasteful number, since it uses less digits than its factorization.

979668683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139952676.

The product of its digits is 23514624, while the sum is 62.

The square root of 979668683 is about 31299.6594709911. The cubic root of 979668683 is about 993.1764392560.

The spelling of 979668683 in words is "nine hundred seventy-nine million, six hundred sixty-eight thousand, six hundred eighty-three".