478189672572 has 12 divisors (see below), whose sum is σ = 1115775902696. Its totient is φ = 159396557520.

The previous prime is 478189672559. The next prime is 478189672577. The reversal of 478189672572 is 275276981874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×478189672572³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478189672577) 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, 19924569679 + ... + 19924569702.

Almost surely, 2^478189672572 is an apocalyptic number.

It is an amenable number.

478189672572 is an abundant number, since it is smaller than the sum of its proper divisors (637586230124).

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

478189672572 is a wasteful number, since it uses less digits than its factorization.

478189672572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39849139388 (or 39849139386 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 66.

The spelling of 478189672572 in words is "four hundred seventy-eight billion, one hundred eighty-nine million, six hundred seventy-two thousand, five hundred seventy-two".