478284894881 has 8 divisors (see below), whose sum is σ = 491758326528. Its totient is φ = 464897556000.

The previous prime is 478284894859. The next prime is 478284894973. The reversal of 478284894881 is 188498482874.

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

It is a cyclic number.

It is not a de Polignac number, because 478284894881 - 2⁶ = 478284894817 is a prime.

It is a super-2 number, since 2×478284894881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478284891881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21511925 + ... + 21534146.

It is an arithmetic number, because the mean of its divisors is an integer number (61469790816).

Almost surely, 2^478284894881 is an apocalyptic number.

478284894881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

478284894881 is a deficient number, since it is larger than the sum of its proper divisors (13473431647).

478284894881 is a wasteful number, since it uses less digits than its factorization.

478284894881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43046383.

The product of its digits is 264241152, while the sum is 71.

The spelling of 478284894881 in words is "four hundred seventy-eight billion, two hundred eighty-four million, eight hundred ninety-four thousand, eight hundred eighty-one".