480478721 has 4 divisors (see below), whose sum is σ = 480524592. Its totient is φ = 480432852.

The previous prime is 480478681. The next prime is 480478723. The reversal of 480478721 is 127874084.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 480478721 - 2¹⁴ = 480462337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480478723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346 + ... + 31028.

It is an arithmetic number, because the mean of its divisors is an integer number (120131148).

Almost surely, 2^480478721 is an apocalyptic number.

It is an amenable number.

480478721 is a deficient number, since it is larger than the sum of its proper divisors (45871).

480478721 is a wasteful number, since it uses less digits than its factorization.

480478721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45870.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 480478721 is about 21919.8248396286. The cubic root of 480478721 is about 783.2337374910.

The spelling of 480478721 in words is "four hundred eighty million, four hundred seventy-eight thousand, seven hundred twenty-one".