478005605 has 16 divisors (see below), whose sum is σ = 715146624. Its totient is φ = 297977280.

The previous prime is 478005601. The next prime is 478005611. The reversal of 478005605 is 506500874.

It is not a de Polignac number, because 478005605 - 2² = 478005601 is a prime.

It is a super-2 number, since 2×478005605² = 456978716822832050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478005601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620402 + ... + 621171.

It is an arithmetic number, because the mean of its divisors is an integer number (44696664).

Almost surely, 2^478005605 is an apocalyptic number.

It is an amenable number.

478005605 is a deficient number, since it is larger than the sum of its proper divisors (237141019).

478005605 is a wasteful number, since it uses less digits than its factorization.

478005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241596.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 478005605 is about 21863.3392920661. The cubic root of 478005605 is about 781.8876072274.

The spelling of 478005605 in words is "four hundred seventy-eight million, five thousand, six hundred five".