478438874488 has 16 divisors (see below), whose sum is σ = 899332525080. Its totient is φ = 238616867808.

The previous prime is 478438874461. The next prime is 478438874489. The reversal of 478438874488 is 884478834874.

It is a self number, because there is not a number n which added to its sum of digits gives 478438874488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478438874489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75317806 + ... + 75324157.

Almost surely, 2^478438874488 is an apocalyptic number.

It is an amenable number.

478438874488 is a deficient number, since it is larger than the sum of its proper divisors (420893650592).

478438874488 is a wasteful number, since it uses less digits than its factorization.

478438874488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150642366 (or 150642362 counting only the distinct ones).

The product of its digits is 1233125376, while the sum is 73.

The spelling of 478438874488 in words is "four hundred seventy-eight billion, four hundred thirty-eight million, eight hundred seventy-four thousand, four hundred eighty-eight".