199037828097 has 40 divisors (see below), whose sum is σ = 313605380000. Its totient is φ = 125455697856.

The previous prime is 199037828071. The next prime is 199037828159. The reversal of 199037828097 is 790828730991.

199037828097 is a `hidden beast` number, since 19 + 90 + 378 + 2 + 80 + 97 = 666.

It is not a de Polignac number, because 199037828097 - 2⁷ = 199037827969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199037828497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 638373 + ... + 897549.

It is an arithmetic number, because the mean of its divisors is an integer number (7840134500).

Almost surely, 2^199037828097 is an apocalyptic number.

It is an amenable number.

199037828097 is a deficient number, since it is larger than the sum of its proper divisors (114567551903).

199037828097 is a wasteful number, since it uses less digits than its factorization.

199037828097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259707 (or 259698 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 199037828097 in words is "one hundred ninety-nine billion, thirty-seven million, eight hundred twenty-eight thousand, ninety-seven".