199581795 has 48 divisors (see below), whose sum is σ = 416183040. Its totient is φ = 86432832.

The previous prime is 199581769. The next prime is 199581797. The reversal of 199581795 is 597185991.

199581795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199581795 - 2⁵ = 199581763 is a prime.

It is a super-3 number, since 3×199581795³ (a number of 26 digits) contains 333 as substring.

199581795 is a modest number, since divided by 81795 gives 1995 as remainder.

It is not an unprimeable number, because it can be changed into a prime (199581797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10689 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (8670480).

Almost surely, 2^199581795 is an apocalyptic number.

199581795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199581795 is an abundant number, since it is smaller than the sum of its proper divisors (216601245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199581795 is a wasteful number, since it uses less digits than its factorization.

199581795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33384 (or 33381 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 54.

The square root of 199581795 is about 14127.3421067092. The cubic root of 199581795 is about 584.3956502564.

The spelling of 199581795 in words is "one hundred ninety-nine million, five hundred eighty-one thousand, seven hundred ninety-five".