128716352753484 has 24 divisors (see below), whose sum is σ = 300339938546928. Its totient is φ = 42905196328960.

The previous prime is 128716352753453. The next prime is 128716352753489. The reversal of 128716352753484 is 484357253617821.

It is not an unprimeable number, because it can be changed into a prime (128716352753489) 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, 29711397 + ... + 33766844.

It is an arithmetic number, because the mean of its divisors is an integer number (12514164106122).

Almost surely, 2^{128716352753484} is an apocalyptic number.

It is an amenable number.

128716352753484 is an abundant number, since it is smaller than the sum of its proper divisors (171623585793444).

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

128716352753484 is a wasteful number, since it uses less digits than its factorization.

128716352753484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63647225 (or 63647223 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 66.

The spelling of 128716352753484 in words is "one hundred twenty-eight trillion, seven hundred sixteen billion, three hundred fifty-two million, seven hundred fifty-three thousand, four hundred eighty-four".