478372873 has 16 divisors (see below), whose sum is σ = 540283392. Its totient is φ = 419616000.

The previous prime is 478372841. The next prime is 478372879. The reversal of 478372873 is 378273874.

It is a happy number.

It is not a de Polignac number, because 478372873 - 2⁵ = 478372841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478372879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125313 + ... + 129073.

It is an arithmetic number, because the mean of its divisors is an integer number (33767712).

Almost surely, 2^478372873 is an apocalyptic number.

It is an amenable number.

478372873 is a deficient number, since it is larger than the sum of its proper divisors (61910519).

478372873 is a wasteful number, since it uses less digits than its factorization.

478372873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176.

The product of its digits is 1580544, while the sum is 49.

The square root of 478372873 is about 21871.7368537572. The cubic root of 478372873 is about 782.0878062632.

The spelling of 478372873 in words is "four hundred seventy-eight million, three hundred seventy-two thousand, eight hundred seventy-three".