478673013 has 48 divisors (see below), whose sum is σ = 802749696. Its totient is φ = 251475840.

The previous prime is 478672993. The next prime is 478673021. The reversal of 478673013 is 310376874.

It is not a de Polignac number, because 478673013 - 2⁶ = 478672949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478673113) 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 47 ways as a sum of consecutive naturals, for example, 884523 + ... + 885063.

It is an arithmetic number, because the mean of its divisors is an integer number (16723952).

Almost surely, 2^478673013 is an apocalyptic number.

It is an amenable number.

478673013 is a deficient number, since it is larger than the sum of its proper divisors (324076683).

478673013 is a wasteful number, since it uses less digits than its factorization.

478673013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 478673013 is about 21878.5971442412. The cubic root of 478673013 is about 782.2513375251.

The spelling of 478673013 in words is "four hundred seventy-eight million, six hundred seventy-three thousand, thirteen".