200000999879 has 2 divisors, whose sum is σ = 200000999880. Its totient is φ = 200000999878.

The previous prime is 200000999857. The next prime is 200000999897. The reversal of 200000999879 is 978999000002.

Together with next prime (200000999897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200000999879 - 2³² = 195706032583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200000999879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000999839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000499939 + 100000499940.

It is an arithmetic number, because the mean of its divisors is an integer number (100000499940).

Almost surely, 2^200000999879 is an apocalyptic number.

200000999879 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000999879 is an equidigital number, since it uses as much as digits as its factorization.

200000999879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 200000999879 in words is "two hundred billion, nine hundred ninety-nine thousand, eight hundred seventy-nine".