127980930064 has 80 divisors (see below), whose sum is σ = 273507494400. Its totient is φ = 57644167680.

The previous prime is 127980930061. The next prime is 127980930079. The reversal of 127980930064 is 460039089721.

It is not an unprimeable number, because it can be changed into a prime (127980930061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393069 + ... + 3430579.

It is an arithmetic number, because the mean of its divisors is an integer number (3418843680).

Almost surely, 2^127980930064 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 127980930064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136753747200).

127980930064 is an abundant number, since it is smaller than the sum of its proper divisors (145526564336).

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

127980930064 is a wasteful number, since it uses less digits than its factorization.

127980930064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37928 (or 37922 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 127980930064 in words is "one hundred twenty-seven billion, nine hundred eighty million, nine hundred thirty thousand, sixty-four".