199768772 has 48 divisors (see below), whose sum is σ = 413376768. Its totient is φ = 82684800.

The previous prime is 199768759. The next prime is 199768783. The reversal of 199768772 is 277867991.

199768772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155798 + ... + 157074.

It is an arithmetic number, because the mean of its divisors is an integer number (8612016).

Almost surely, 2^199768772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199768772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206688384).

199768772 is an abundant number, since it is smaller than the sum of its proper divisors (213607996).

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

199768772 is a wasteful number, since it uses less digits than its factorization.

199768772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 56.

The square root of 199768772 is about 14133.9581151212. The cubic root of 199768772 is about 584.5780891418.

The spelling of 199768772 in words is "one hundred ninety-nine million, seven hundred sixty-eight thousand, seven hundred seventy-two".