128941277760 has 224 divisors, whose sum is σ = 478817635200. Its totient is φ = 32574597120.

The previous prime is 128941277749. The next prime is 128941277789. The reversal of 128941277760 is 67772149821.

128941277760 is a `hidden beast` number, since 12 + 89 + 412 + 77 + 76 + 0 = 666.

It is a super-2 number, since 2×128941277760² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 128941277697 and 128941277706.

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 31 ways as a sum of consecutive naturals, for example, 228571 + ... + 556890.

Almost surely, 2^128941277760 is an apocalyptic number.

128941277760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128941277760 is an abundant number, since it is smaller than the sum of its proper divisors (349876357440).

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

128941277760 is a wasteful number, since it uses less digits than its factorization.

128941277760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785506 (or 785490 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 128941277760 in words is "one hundred twenty-eight billion, nine hundred forty-one million, two hundred seventy-seven thousand, seven hundred sixty".