478521479 has 8 divisors (see below), whose sum is σ = 504768000. Its totient is φ = 452381112.

The previous prime is 478521473. The next prime is 478521493. The reversal of 478521479 is 974125874.

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 478521479 - 2¹² = 478517383 is a prime.

It is a super-3 number, since 3×478521479³ (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 (478521473) 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 7 ways as a sum of consecutive naturals, for example, 17189 + ... + 35390.

It is an arithmetic number, because the mean of its divisors is an integer number (63096000).

Almost surely, 2^478521479 is an apocalyptic number.

478521479 is a deficient number, since it is larger than the sum of its proper divisors (26246521).

478521479 is a wasteful number, since it uses less digits than its factorization.

478521479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53077.

The product of its digits is 564480, while the sum is 47.

The square root of 478521479 is about 21875.1338053051. The cubic root of 478521479 is about 782.1687827805.

The spelling of 478521479 in words is "four hundred seventy-eight million, five hundred twenty-one thousand, four hundred seventy-nine".