478890243573 has 12 divisors (see below), whose sum is σ = 742768541280. Its totient is φ = 273651567672.

The previous prime is 478890243553. The next prime is 478890243577. The reversal of 478890243573 is 375342098874.

It is a happy number.

It is not a de Polignac number, because 478890243573 - 2²¹ = 478888146421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478890243577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1628878233 + ... + 1628878526.

It is an arithmetic number, because the mean of its divisors is an integer number (61897378440).

Almost surely, 2^478890243573 is an apocalyptic number.

It is an amenable number.

478890243573 is a deficient number, since it is larger than the sum of its proper divisors (263878297707).

478890243573 is a wasteful number, since it uses less digits than its factorization.

478890243573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257756776 (or 3257756769 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 478890243573 in words is "four hundred seventy-eight billion, eight hundred ninety million, two hundred forty-three thousand, five hundred seventy-three".