478702405785 has 16 divisors (see below), whose sum is σ = 765972909504. Its totient is φ = 255291596352.

The previous prime is 478702405757. The next prime is 478702405801. The reversal of 478702405785 is 587504207874.

478702405785 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 478702405785 - 2³⁸ = 203824498841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778227 + ... + 1250216.

It is an arithmetic number, because the mean of its divisors is an integer number (47873306844).

Almost surely, 2^478702405785 is an apocalyptic number.

It is an amenable number.

478702405785 is a deficient number, since it is larger than the sum of its proper divisors (287270503719).

478702405785 is a wasteful number, since it uses less digits than its factorization.

478702405785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044184.

The product of its (nonzero) digits is 17561600, while the sum is 57.

The spelling of 478702405785 in words is "four hundred seventy-eight billion, seven hundred two million, four hundred five thousand, seven hundred eighty-five".