478512803 has 4 divisors (see below), whose sum is σ = 480942000. Its totient is φ = 476083608.

The previous prime is 478512773. The next prime is 478512829. The reversal of 478512803 is 308215874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308215874 = 2 ⋅154107937.

It is a cyclic number.

It is not a de Polignac number, because 478512803 - 2¹⁴ = 478496419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478512863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1214303 + ... + 1214696.

It is an arithmetic number, because the mean of its divisors is an integer number (120235500).

Almost surely, 2^478512803 is an apocalyptic number.

478512803 is a deficient number, since it is larger than the sum of its proper divisors (2429197).

478512803 is a wasteful number, since it uses less digits than its factorization.

478512803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429196.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 478512803 is about 21874.9354970478. The cubic root of 478512803 is about 782.1640556243.

The spelling of 478512803 in words is "four hundred seventy-eight million, five hundred twelve thousand, eight hundred three".