566839878139 has 8 divisors (see below), whose sum is σ = 591943992480. Its totient is φ = 541774005696.

The previous prime is 566839878109. The next prime is 566839878161. The reversal of 566839878139 is 931878938665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-566839878139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566839878109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530172 + ... + 9589465.

It is an arithmetic number, because the mean of its divisors is an integer number (73992999060).

Almost surely, 2^566839878139 is an apocalyptic number.

566839878139 is a deficient number, since it is larger than the sum of its proper divisors (25104114341).

566839878139 is a wasteful number, since it uses less digits than its factorization.

566839878139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19120949.

The product of its digits is 470292480, while the sum is 73.

The spelling of 566839878139 in words is "five hundred sixty-six billion, eight hundred thirty-nine million, eight hundred seventy-eight thousand, one hundred thirty-nine".