199217874507 has 8 divisors (see below), whose sum is σ = 271275403776. Its totient is φ = 129986130792.

The previous prime is 199217874469. The next prime is 199217874577. The reversal of 199217874507 is 705478712991.

199217874507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199217874507 - 2¹⁰ = 199217873483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199217874577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706446223 + ... + 706446504.

It is an arithmetic number, because the mean of its divisors is an integer number (33909425472).

Almost surely, 2^199217874507 is an apocalyptic number.

199217874507 is a deficient number, since it is larger than the sum of its proper divisors (72057529269).

199217874507 is a wasteful number, since it uses less digits than its factorization.

199217874507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412892777.

The product of its (nonzero) digits is 8890560, while the sum is 60.

The spelling of 199217874507 in words is "one hundred ninety-nine billion, two hundred seventeen million, eight hundred seventy-four thousand, five hundred seven".