478346318772 has 48 divisors (see below), whose sum is σ = 1316738260992. Its totient is φ = 132261654240.

The previous prime is 478346318761. The next prime is 478346318809. The reversal of 478346318772 is 277813643874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91845768 + ... + 91850975.

It is an arithmetic number, because the mean of its divisors is an integer number (27432047104).

Almost surely, 2^478346318772 is an apocalyptic number.

478346318772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

478346318772 is an abundant number, since it is smaller than the sum of its proper divisors (838391942220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478346318772 is a wasteful number, since it uses less digits than its factorization.

478346318772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183696788 (or 183696786 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 60.

The spelling of 478346318772 in words is "four hundred seventy-eight billion, three hundred forty-six million, three hundred eighteen thousand, seven hundred seventy-two".