199775794982399 has 8 divisors (see below), whose sum is σ = 199802892925440. Its totient is φ = 199748698695000.

The previous prime is 199775794982363. The next prime is 199775794982431. The reversal of 199775794982399 is 993289497577991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199775794982399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199775794985399) 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, 251206304 + ... + 252000314.

It is an arithmetic number, because the mean of its divisors is an integer number (24975361615680).

Almost surely, 2^{199775794982399} is an apocalyptic number.

199775794982399 is a deficient number, since it is larger than the sum of its proper divisors (27097943041).

199775794982399 is a wasteful number, since it uses less digits than its factorization.

199775794982399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827821.

The product of its digits is 174992892480, while the sum is 98.

The spelling of 199775794982399 in words is "one hundred ninety-nine trillion, seven hundred seventy-five billion, seven hundred ninety-four million, nine hundred eighty-two thousand, three hundred ninety-nine".