199976463 has 12 divisors (see below), whose sum is σ = 304058040. Its totient is φ = 126300816.

The previous prime is 199976459. The next prime is 199976471. The reversal of 199976463 is 364679991.

199976463 is a `hidden beast` number, since 1 + 99 + 97 + 6 + 463 = 666.

It is not a de Polignac number, because 199976463 - 2² = 199976459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199976363) 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 11 ways as a sum of consecutive naturals, for example, 584556 + ... + 584897.

It is an arithmetic number, because the mean of its divisors is an integer number (25338170).

Almost surely, 2^199976463 is an apocalyptic number.

199976463 is a deficient number, since it is larger than the sum of its proper divisors (104081577).

199976463 is a wasteful number, since it uses less digits than its factorization.

199976463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169478 (or 1169475 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 199976463 is about 14141.3034406309. The cubic root of 199976463 is about 584.7806058741.

The spelling of 199976463 in words is "one hundred ninety-nine million, nine hundred seventy-six thousand, four hundred sixty-three".