205912326201879 has 24 divisors (see below), whose sum is σ = 302618451461760. Its totient is φ = 124447729777360.

The previous prime is 205912326201839. The next prime is 205912326201917. The reversal of 205912326201879 is 978102623219502.

It is not a de Polignac number, because 205912326201879 - 2¹¹ = 205912326199831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205912326201839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789913677 + ... + 790174310.

It is an arithmetic number, because the mean of its divisors is an integer number (12609102144240).

Almost surely, 2^{205912326201879} is an apocalyptic number.

205912326201879 is a deficient number, since it is larger than the sum of its proper divisors (96706125259881).

205912326201879 is a wasteful number, since it uses less digits than its factorization.

205912326201879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580088371 (or 1580088360 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 205912326201879 in words is "two hundred five trillion, nine hundred twelve billion, three hundred twenty-six million, two hundred one thousand, eight hundred seventy-nine".