478838273512 has 32 divisors (see below), whose sum is σ = 904385097000. Its totient is φ = 237670827264.

The previous prime is 478838273509. The next prime is 478838273527. The reversal of 478838273512 is 215372838874.

It can be written as a sum of positive squares in 4 ways, for example, as 158701843876 + 320136429636 = 398374^2 + 565806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899418 + ... + 2136694.

Almost surely, 2^478838273512 is an apocalyptic number.

It is an amenable number.

478838273512 is a deficient number, since it is larger than the sum of its proper divisors (425546823488).

478838273512 is a wasteful number, since it uses less digits than its factorization.

478838273512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239125 (or 239121 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 58.

The spelling of 478838273512 in words is "four hundred seventy-eight billion, eight hundred thirty-eight million, two hundred seventy-three thousand, five hundred twelve".