127647313920 has 1248 divisors, whose sum is σ = 549554503680. Its totient is φ = 26754416640.

The previous prime is 127647313919. The next prime is 127647313931. The reversal of 127647313920 is 29313746721.

127647313920 is a `hidden beast` number, since 1 + 27 + 6 + 473 + 139 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1005096897 + ... + 1005097023.

It is an arithmetic number, because the mean of its divisors is an integer number (440348160).

Almost surely, 2^127647313920 is an apocalyptic number.

127647313920 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 127647313920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274777251840).

127647313920 is an abundant number, since it is smaller than the sum of its proper divisors (421907189760).

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

127647313920 is a wasteful number, since it uses less digits than its factorization.

127647313920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 127647313920 in words is "one hundred twenty-seven billion, six hundred forty-seven million, three hundred thirteen thousand, nine hundred twenty".