199086075 has 18 divisors (see below), whose sum is σ = 356585684. Its totient is φ = 106179120.

The previous prime is 199086053. The next prime is 199086079. The reversal of 199086075 is 570680991.

It is not a de Polignac number, because 199086075 - 2¹⁵ = 199053307 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199086075.

It is not an unprimeable number, because it can be changed into a prime (199086079) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 442189 + ... + 442638.

Almost surely, 2^199086075 is an apocalyptic number.

199086075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199086075 is a deficient number, since it is larger than the sum of its proper divisors (157499609).

199086075 is a wasteful number, since it uses less digits than its factorization.

199086075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884843 (or 884835 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 199086075 is about 14109.7864973216. The cubic root of 199086075 is about 583.9114097104.

The spelling of 199086075 in words is "one hundred ninety-nine million, eighty-six thousand, seventy-five".