480911999 has 4 divisors (see below), whose sum is σ = 481116360. Its totient is φ = 480707640.

The previous prime is 480911989. The next prime is 480912011. The reversal of 480911999 is 999119084.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 480911999 - 2¹⁶ = 480846463 is a prime.

It is a super-3 number, since 3×480911999³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480911939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98609 + ... + 103370.

It is an arithmetic number, because the mean of its divisors is an integer number (120279090).

Almost surely, 2^480911999 is an apocalyptic number.

480911999 is a deficient number, since it is larger than the sum of its proper divisors (204361).

480911999 is a wasteful number, since it uses less digits than its factorization.

480911999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204360.

The product of its (nonzero) digits is 209952, while the sum is 50.

The square root of 480911999 is about 21929.7058575805. The cubic root of 480911999 is about 783.4690971970.

The spelling of 480911999 in words is "four hundred eighty million, nine hundred eleven thousand, nine hundred ninety-nine".