127987017480 has 192 divisors, whose sum is σ = 475515480960. Its totient is φ = 29245860864.

The previous prime is 127987017469. The next prime is 127987017503. The reversal of 127987017480 is 84710789721.

127987017480 is a `hidden beast` number, since 1 + 2 + 7 + 98 + 70 + 1 + 7 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15299779 + ... + 15308141.

It is an arithmetic number, because the mean of its divisors is an integer number (2476643130).

Almost surely, 2^127987017480 is an apocalyptic number.

127987017480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127987017480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237757740480).

127987017480 is an abundant number, since it is smaller than the sum of its proper divisors (347528463480).

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

127987017480 is a wasteful number, since it uses less digits than its factorization.

127987017480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14453 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 127987017480 in words is "one hundred twenty-seven billion, nine hundred eighty-seven million, seventeen thousand, four hundred eighty".