478288816477 has 8 divisors (see below), whose sum is σ = 485386555136. Its totient is φ = 471235300992.

The previous prime is 478288816441. The next prime is 478288816487. The reversal of 478288816477 is 774618882874.

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 478288816477 - 2⁷ = 478288816349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478288816487) 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, 11034003 + ... + 11077264.

It is an arithmetic number, because the mean of its divisors is an integer number (60673319392).

Almost surely, 2^478288816477 is an apocalyptic number.

It is an amenable number.

478288816477 is a deficient number, since it is larger than the sum of its proper divisors (7097738659).

478288816477 is a wasteful number, since it uses less digits than its factorization.

478288816477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111587.

The product of its digits is 269746176, while the sum is 70.

The spelling of 478288816477 in words is "four hundred seventy-eight billion, two hundred eighty-eight million, eight hundred sixteen thousand, four hundred seventy-seven".