478938095864 has 32 divisors (see below), whose sum is σ = 911743257600. Its totient is φ = 235814607840.

The previous prime is 478938095849. The next prime is 478938095899. The reversal of 478938095864 is 468590839874.

It is a Harshad number since it is a multiple of its sum of digits (71).

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, 25952 + ... + 979055.

It is an arithmetic number, because the mean of its divisors is an integer number (28491976800).

Almost surely, 2^478938095864 is an apocalyptic number.

It is an amenable number.

478938095864 is a deficient number, since it is larger than the sum of its proper divisors (432805161736).

478938095864 is a wasteful number, since it uses less digits than its factorization.

478938095864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005923 (or 1005919 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 71.

The spelling of 478938095864 in words is "four hundred seventy-eight billion, nine hundred thirty-eight million, ninety-five thousand, eight hundred sixty-four".