478577385980 has 48 divisors (see below), whose sum is σ = 1073893645440. Its totient is φ = 178517357568.

The previous prime is 478577385961. The next prime is 478577385989. The reversal of 478577385980 is 89583775874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478577385989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6419732 + ... + 6493851.

It is an arithmetic number, because the mean of its divisors is an integer number (22372784280).

Almost surely, 2^478577385980 is an apocalyptic number.

It is an amenable number.

478577385980 is an abundant number, since it is smaller than the sum of its proper divisors (595316259460).

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

478577385980 is a wasteful number, since it uses less digits than its factorization.

478577385980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913718 (or 12913716 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 71.

The spelling of 478577385980 in words is "four hundred seventy-eight billion, five hundred seventy-seven million, three hundred eighty-five thousand, nine hundred eighty".