478819768506 has 32 divisors (see below), whose sum is σ = 959283209088. Its totient is φ = 159332806080.

The previous prime is 478819768489. The next prime is 478819768519. The reversal of 478819768506 is 605867918874.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12985576 + ... + 13022396.

It is an arithmetic number, because the mean of its divisors is an integer number (29977600284).

Almost surely, 2^478819768506 is an apocalyptic number.

478819768506 is an abundant number, since it is smaller than the sum of its proper divisors (480463440582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478819768506 is a wasteful number, since it uses less digits than its factorization.

478819768506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40486.

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 478819768506 in words is "four hundred seventy-eight billion, eight hundred nineteen million, seven hundred sixty-eight thousand, five hundred six".