478677081 has 8 divisors (see below), whose sum is σ = 665985600. Its totient is φ = 305243312.

The previous prime is 478677071. The next prime is 478677083. The reversal of 478677081 is 180776874.

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 478677081 - 2⁵ = 478677049 is a prime.

It is a super-2 number, since 2×478677081² = 458263495749361122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478677081.

It is not an unprimeable number, because it can be changed into a prime (478677083) 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, 3468606 + ... + 3468743.

It is an arithmetic number, because the mean of its divisors is an integer number (83248200).

Almost surely, 2^478677081 is an apocalyptic number.

It is an amenable number.

478677081 is a deficient number, since it is larger than the sum of its proper divisors (187308519).

478677081 is a wasteful number, since it uses less digits than its factorization.

478677081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937375.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 478677081 is about 21878.6901116132. The cubic root of 478677081 is about 782.2535535050.

The spelling of 478677081 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, eighty-one".