199563047 has 8 divisors (see below), whose sum is σ = 201919200. Its totient is φ = 197213184.

The previous prime is 199563041. The next prime is 199563053. The reversal of 199563047 is 740365991.

It is an interprime number because it is at equal distance from previous prime (199563041) and next prime (199563053).

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

It is a cyclic number.

It is not a de Polignac number, because 199563047 - 2¹² = 199558951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199562989 and 199563007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199563041) 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, 96854 + ... + 98892.

It is an arithmetic number, because the mean of its divisors is an integer number (25239900).

Almost surely, 2^199563047 is an apocalyptic number.

199563047 is a deficient number, since it is larger than the sum of its proper divisors (2356153).

199563047 is a wasteful number, since it uses less digits than its factorization.

199563047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 199563047 is about 14126.6785551311. The cubic root of 199563047 is about 584.3773510043.

The spelling of 199563047 in words is "one hundred ninety-nine million, five hundred sixty-three thousand, forty-seven".