478911081 has 32 divisors (see below), whose sum is σ = 715258368. Its totient is φ = 282522240.

The previous prime is 478911071. The next prime is 478911101. The reversal of 478911081 is 180119874.

It is not a de Polignac number, because 478911081 - 2⁹ = 478910569 is a prime.

It is a super-3 number, since 3×478911081³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (478911001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775885 + ... + 776501.

It is an arithmetic number, because the mean of its divisors is an integer number (22351824).

Almost surely, 2^478911081 is an apocalyptic number.

It is an amenable number.

478911081 is a deficient number, since it is larger than the sum of its proper divisors (236347287).

478911081 is a wasteful number, since it uses less digits than its factorization.

478911081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 478911081 is about 21884.0371275503. The cubic root of 478911081 is about 782.3810002532.

The spelling of 478911081 in words is "four hundred seventy-eight million, nine hundred eleven thousand, eighty-one".