478887511872 has 672 divisors, whose sum is σ = 1710179968000. Its totient is φ = 117802460160.

The previous prime is 478887511847. The next prime is 478887511877. The reversal of 478887511872 is 278115788874.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478887511877) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151401363 + ... + 151404525.

Almost surely, 2^478887511872 is an apocalyptic number.

478887511872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478887511872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855089984000).

478887511872 is an abundant number, since it is smaller than the sum of its proper divisors (1231292456128).

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

478887511872 is a wasteful number, since it uses less digits than its factorization.

478887511872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3205 counting only the distinct ones).

The product of its digits is 56197120, while the sum is 66.

The spelling of 478887511872 in words is "four hundred seventy-eight billion, eight hundred eighty-seven million, five hundred eleven thousand, eight hundred seventy-two".