5979764866 has 4 divisors (see below), whose sum is σ = 8969647302. Its totient is φ = 2989882432.

The previous prime is 5979764839. The next prime is 5979764867. The reversal of 5979764866 is 6684679795.

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

It can be written as a sum of positive squares in only one way, i.e., 3906875025 + 2072889841 = 62505^2 + 45529^2 .

It is not an unprimeable number, because it can be changed into a prime (5979764867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494941215 + ... + 1494941218.

Almost surely, 2^5979764866 is an apocalyptic number.

5979764866 is a deficient number, since it is larger than the sum of its proper divisors (2989882436).

5979764866 is a wasteful number, since it uses less digits than its factorization.

5979764866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989882435.

The product of its digits is 137168640, while the sum is 67.

The square root of 5979764866 is about 77328.9393823554. The cubic root of 5979764866 is about 1815.0755321748.

The spelling of 5979764866 in words is "five billion, nine hundred seventy-nine million, seven hundred sixty-four thousand, eight hundred sixty-six".