478862881 has 8 divisors (see below), whose sum is σ = 547404480. Its totient is φ = 410354448.

The previous prime is 478862863. The next prime is 478862887. The reversal of 478862881 is 188268874.

It is a happy number.

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

It is not a de Polignac number, because 478862881 - 2⁷ = 478862753 is a prime.

It is a super-2 number, since 2×478862881² = 458619317599240322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478862887) 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, 49890 + ... + 58708.

It is an arithmetic number, because the mean of its divisors is an integer number (68425560).

Almost surely, 2^478862881 is an apocalyptic number.

It is an amenable number.

478862881 is a deficient number, since it is larger than the sum of its proper divisors (68541599).

478862881 is an equidigital number, since it uses as much as digits as its factorization.

478862881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16583.

The product of its digits is 1376256, while the sum is 52.

The square root of 478862881 is about 21882.9358405128. The cubic root of 478862881 is about 782.3547517971.

The spelling of 478862881 in words is "four hundred seventy-eight million, eight hundred sixty-two thousand, eight hundred eighty-one".