727928578716 has 12 divisors (see below), whose sum is σ = 1698500017032. Its totient is φ = 242642859568.

The previous prime is 727928578711. The next prime is 727928578723. The reversal of 727928578716 is 617875829727.

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

It is a super-2 number, since 2×727928578716² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727928578711) 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, 30330357435 + ... + 30330357458.

It is an arithmetic number, because the mean of its divisors is an integer number (141541668086).

Almost surely, 2^727928578716 is an apocalyptic number.

It is an amenable number.

727928578716 is an abundant number, since it is smaller than the sum of its proper divisors (970571438316).

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

727928578716 is a wasteful number, since it uses less digits than its factorization.

727928578716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60660714900 (or 60660714898 counting only the distinct ones).

The product of its digits is 165957120, while the sum is 69.

The spelling of 727928578716 in words is "seven hundred twenty-seven billion, nine hundred twenty-eight million, five hundred seventy-eight thousand, seven hundred sixteen".