478647288845 has 32 divisors (see below), whose sum is σ = 632761023744. Its totient is φ = 344695104000.

The previous prime is 478647288827. The next prime is 478647288851. The reversal of 478647288845 is 548882746874.

It is not a de Polignac number, because 478647288845 - 2⁶ = 478647288781 is a prime.

It is a super-2 number, since 2×478647288845² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2507399 + ... + 2691531.

It is an arithmetic number, because the mean of its divisors is an integer number (19773781992).

Almost surely, 2^478647288845 is an apocalyptic number.

It is an amenable number.

478647288845 is a deficient number, since it is larger than the sum of its proper divisors (154113734899).

478647288845 is a wasteful number, since it uses less digits than its factorization.

478647288845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184613.

The product of its digits is 770703360, while the sum is 71.

The spelling of 478647288845 in words is "four hundred seventy-eight billion, six hundred forty-seven million, two hundred eighty-eight thousand, eight hundred forty-five".