206562875879 has 2 divisors, whose sum is σ = 206562875880. Its totient is φ = 206562875878.

The previous prime is 206562875839. The next prime is 206562875923. The reversal of 206562875879 is 978578265602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206562875879 - 2²⁴ = 206546098663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206562875819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103281437939 + 103281437940.

It is an arithmetic number, because the mean of its divisors is an integer number (103281437940).

Almost surely, 2^206562875879 is an apocalyptic number.

206562875879 is a deficient number, since it is larger than the sum of its proper divisors (1).

206562875879 is an equidigital number, since it uses as much as digits as its factorization.

206562875879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 206562875879 in words is "two hundred six billion, five hundred sixty-two million, eight hundred seventy-five thousand, eight hundred seventy-nine".