531728684076 has 24 divisors (see below), whose sum is σ = 1280722852864. Its totient is φ = 171525381840.

The previous prime is 531728684063. The next prime is 531728684077. The reversal of 531728684076 is 670486827135.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (531728684077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714688720 + ... + 714689463.

Almost surely, 2^531728684076 is an apocalyptic number.

It is an amenable number.

531728684076 is an abundant number, since it is smaller than the sum of its proper divisors (748994168788).

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

531728684076 is a wasteful number, since it uses less digits than its factorization.

531728684076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429378221 (or 1429378219 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 531728684076 in words is "five hundred thirty-one billion, seven hundred twenty-eight million, six hundred eighty-four thousand, seventy-six".