199082811 has 8 divisors (see below), whose sum is σ = 265898304. Its totient is φ = 132494600.

The previous prime is 199082791. The next prime is 199082813. The reversal of 199082811 is 118280991.

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

It is a cyclic number.

It is not a de Polignac number, because 199082811 - 2⁶ = 199082747 is a prime.

It is a super-3 number, since 3×199082811³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199082811.

It is not an unprimeable number, because it can be changed into a prime (199082813) 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, 54765 + ... + 58286.

It is an arithmetic number, because the mean of its divisors is an integer number (33237288).

Almost surely, 2^199082811 is an apocalyptic number.

199082811 is a deficient number, since it is larger than the sum of its proper divisors (66815493).

199082811 is a wasteful number, since it uses less digits than its factorization.

199082811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113641.

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 199082811 is about 14109.6708324468. The cubic root of 199082811 is about 583.9082186330.

The spelling of 199082811 in words is "one hundred ninety-nine million, eighty-two thousand, eight hundred eleven".