478325155 has 16 divisors (see below), whose sum is σ = 715624704. Its totient is φ = 298176480.

The previous prime is 478325143. The next prime is 478325161. The reversal of 478325155 is 551523874.

It is not a de Polignac number, because 478325155 - 2¹⁵ = 478292387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620817 + ... + 621586.

It is an arithmetic number, because the mean of its divisors is an integer number (44726544).

Almost surely, 2^478325155 is an apocalyptic number.

478325155 is a deficient number, since it is larger than the sum of its proper divisors (237299549).

478325155 is a wasteful number, since it uses less digits than its factorization.

478325155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242426.

The product of its digits is 168000, while the sum is 40.

The square root of 478325155 is about 21870.6459666833. The cubic root of 478325155 is about 782.0618008122.

The spelling of 478325155 in words is "four hundred seventy-eight million, three hundred twenty-five thousand, one hundred fifty-five".