199880976 has 40 divisors (see below), whose sum is σ = 521385280. Its totient is φ = 65978496.

The previous prime is 199880953. The next prime is 199880977. The reversal of 199880976 is 679088991.

199880976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (199880977) 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, 15271 + ... + 25158.

It is an arithmetic number, because the mean of its divisors is an integer number (13034632).

Almost surely, 2^199880976 is an apocalyptic number.

199880976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199880976 is an abundant number, since it is smaller than the sum of its proper divisors (321504304).

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

199880976 is a wasteful number, since it uses less digits than its factorization.

199880976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40543 (or 40537 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 199880976 is about 14137.9268635822. The cubic root of 199880976 is about 584.6875151927.

The spelling of 199880976 in words is "one hundred ninety-nine million, eight hundred eighty thousand, nine hundred seventy-six".