199056479 has 8 divisors (see below), whose sum is σ = 201971280. Its totient is φ = 196163136.

The previous prime is 199056469. The next prime is 199056491. The reversal of 199056479 is 974650991.

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 199056479 - 2⁴ = 199056463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199056409) 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, 13817 + ... + 24269.

It is an arithmetic number, because the mean of its divisors is an integer number (25246410).

Almost surely, 2^199056479 is an apocalyptic number.

199056479 is a deficient number, since it is larger than the sum of its proper divisors (2914801).

199056479 is a wasteful number, since it uses less digits than its factorization.

199056479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10729.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 199056479 is about 14108.7376827270. The cubic root of 199056479 is about 583.8824736526.

The spelling of 199056479 in words is "one hundred ninety-nine million, fifty-six thousand, four hundred seventy-nine".