60728129488 has 80 divisors (see below), whose sum is σ = 132776501760. Its totient is φ = 26697065472.

The previous prime is 60728129477. The next prime is 60728129503. The reversal of 60728129488 is 88492182706.

It is a happy number.

It is a super-2 number, since 2×60728129488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116820 + ... + 1169932.

It is an arithmetic number, because the mean of its divisors is an integer number (1659706272).

Almost surely, 2^60728129488 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 60728129488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66388250880).

60728129488 is an abundant number, since it is smaller than the sum of its proper divisors (72048372272).

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

60728129488 is a wasteful number, since it uses less digits than its factorization.

60728129488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53396 (or 53390 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 60728129488 in words is "sixty billion, seven hundred twenty-eight million, one hundred twenty-nine thousand, four hundred eighty-eight".