533883999780 has 144 divisors (see below), whose sum is σ = 1634865680448. Its totient is φ = 141017760000.

The previous prime is 533883999763. The next prime is 533883999799. The reversal of 533883999780 is 87999388335.

It is a happy number.

533883999780 is a `hidden beast` number, since 53 + 388 + 39 + 9 + 97 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 533883999699 and 533883999708.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12735855 + ... + 12777705.

It is an arithmetic number, because the mean of its divisors is an integer number (11353233892).

Almost surely, 2^533883999780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533883999780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817432840224).

533883999780 is an abundant number, since it is smaller than the sum of its proper divisors (1100981680668).

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

533883999780 is a wasteful number, since it uses less digits than its factorization.

533883999780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42538 (or 42533 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 72.

The spelling of 533883999780 in words is "five hundred thirty-three billion, eight hundred eighty-three million, nine hundred ninety-nine thousand, seven hundred eighty".