479978506 has 8 divisors (see below), whose sum is σ = 822820320. Its totient is φ = 205705068.

The previous prime is 479978501. The next prime is 479978519. The reversal of 479978506 is 605879974.

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

It is not an unprimeable number, because it can be changed into a prime (479978501) 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, 17142076 + ... + 17142103.

It is an arithmetic number, because the mean of its divisors is an integer number (102852540).

Almost surely, 2^479978506 is an apocalyptic number.

479978506 is a deficient number, since it is larger than the sum of its proper divisors (342841814).

479978506 is a wasteful number, since it uses less digits than its factorization.

479978506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284188.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 479978506 is about 21908.4117635213. The cubic root of 479978506 is about 782.9618410920.

The spelling of 479978506 in words is "four hundred seventy-nine million, nine hundred seventy-eight thousand, five hundred six".