199976085 has 24 divisors (see below), whose sum is σ = 349281504. Its totient is φ = 105836640.

The previous prime is 199976057. The next prime is 199976093. The reversal of 199976085 is 580679991.

It is not a de Polignac number, because 199976085 - 2⁸ = 199975829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11067 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (14553396).

Almost surely, 2^199976085 is an apocalyptic number.

199976085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199976085 is a deficient number, since it is larger than the sum of its proper divisors (149305419).

199976085 is a wasteful number, since it uses less digits than its factorization.

199976085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34065 (or 34062 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 199976085 is about 14141.2900755200. The cubic root of 199976085 is about 584.7802374187.

The spelling of 199976085 in words is "one hundred ninety-nine million, nine hundred seventy-six thousand, eighty-five".