128207677182 has 192 divisors, whose sum is σ = 300955447296. Its totient is φ = 36152202240.

The previous prime is 128207677133. The next prime is 128207677231. The reversal of 128207677182 is 281776702821.

It is an interprime number because it is at equal distance from previous prime (128207677133) and next prime (128207677231).

It is a super-2 number, since 2×128207677182² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144540343 + ... + 144541229.

It is an arithmetic number, because the mean of its divisors is an integer number (1567476288).

Almost surely, 2^128207677182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128207677182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150477723648).

128207677182 is an abundant number, since it is smaller than the sum of its proper divisors (172747770114).

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

128207677182 is a wasteful number, since it uses less digits than its factorization.

128207677182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

The spelling of 128207677182 in words is "one hundred twenty-eight billion, two hundred seven million, six hundred seventy-seven thousand, one hundred eighty-two".