479507999 has 4 divisors (see below), whose sum is σ = 479585064. Its totient is φ = 479430936.

The previous prime is 479507993. The next prime is 479508017. The reversal of 479507999 is 999705974.

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 479507999 - 2¹⁶ = 479442463 is a prime.

It is a super-2 number, since 2×479507999² = 459855842209968002, which contains 22 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 (479507993) 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, 28292 + ... + 41945.

It is an arithmetic number, because the mean of its divisors is an integer number (119896266).

Almost surely, 2^479507999 is an apocalyptic number.

479507999 is a deficient number, since it is larger than the sum of its proper divisors (77065).

479507999 is an equidigital number, since it uses as much as digits as its factorization.

479507999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77064.

The product of its (nonzero) digits is 6429780, while the sum is 59.

The square root of 479507999 is about 21897.6710862137. The cubic root of 479507999 is about 782.7059202808.

The spelling of 479507999 in words is "four hundred seventy-nine million, five hundred seven thousand, nine hundred ninety-nine".