478365991334 has 16 divisors (see below), whose sum is σ = 894606529536. Its totient is φ = 186376360200.

The previous prime is 478365991321. The next prime is 478365991391. The reversal of 478365991334 is 433199563874.

It is a congruent number.

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, 1553136182 + ... + 1553136489.

It is an arithmetic number, because the mean of its divisors is an integer number (55912908096).

Almost surely, 2^478365991334 is an apocalyptic number.

478365991334 is a deficient number, since it is larger than the sum of its proper divisors (416240538202).

478365991334 is a wasteful number, since it uses less digits than its factorization.

478365991334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106272691.

The product of its digits is 58786560, while the sum is 62.

The spelling of 478365991334 in words is "four hundred seventy-eight billion, three hundred sixty-five million, nine hundred ninety-one thousand, three hundred thirty-four".