479728090 has 8 divisors (see below), whose sum is σ = 863510580. Its totient is φ = 191891232.

The previous prime is 479728031. The next prime is 479728097. The reversal of 479728090 is 90827974.

It can be written as a sum of positive squares in 2 ways, for example, as 435598641 + 44129449 = 20871^2 + 6643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 479728090.

It is not an unprimeable number, because it can be changed into a prime (479728097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23986395 + ... + 23986414.

Almost surely, 2^479728090 is an apocalyptic number.

479728090 is a deficient number, since it is larger than the sum of its proper divisors (383782490).

479728090 is a wasteful number, since it uses less digits than its factorization.

479728090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47972816.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 479728090 is about 21902.6959527817. The cubic root of 479728090 is about 782.8256542438.

The spelling of 479728090 in words is "four hundred seventy-nine million, seven hundred twenty-eight thousand, ninety".