478284909875 has 16 divisors (see below), whose sum is σ = 597079928640. Its totient is φ = 382512312000.

The previous prime is 478284909859. The next prime is 478284909881. The reversal of 478284909875 is 578909482874.

It is not a de Polignac number, because 478284909875 - 2⁴ = 478284909859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478284909799 and 478284909808.

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, 161546 + ... + 991295.

It is an arithmetic number, because the mean of its divisors is an integer number (37317495540).

Almost surely, 2^478284909875 is an apocalyptic number.

478284909875 is a deficient number, since it is larger than the sum of its proper divisors (118795018765).

478284909875 is a wasteful number, since it uses less digits than its factorization.

478284909875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156175 (or 1156165 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 478284909875 in words is "four hundred seventy-eight billion, two hundred eighty-four million, nine hundred nine thousand, eight hundred seventy-five".