478994499874 has 16 divisors (see below), whose sum is σ = 783868161600. Its totient is φ = 217708389360.

The previous prime is 478994499859. The next prime is 478994499887.

478994499874 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517689 + ... + 1107244.

It is an arithmetic number, because the mean of its divisors is an integer number (48991760100).

Almost surely, 2^478994499874 is an apocalyptic number.

478994499874 is a deficient number, since it is larger than the sum of its proper divisors (304873661726).

478994499874 is a wasteful number, since it uses less digits than its factorization.

478994499874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638345.

The product of its digits is 5267275776, while the sum is 82.

The spelling of 478994499874 in words is "four hundred seventy-eight billion, nine hundred ninety-four million, four hundred ninety-nine thousand, eight hundred seventy-four".