128207677184 has 36 divisors (see below), whose sum is σ = 261866066616. Its totient is φ = 62613046272.

The previous prime is 128207677133. The next prime is 128207677231. The reversal of 128207677184 is 481776702821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5812379 + ... + 5834394.

It is an arithmetic number, because the mean of its divisors is an integer number (7274057406).

Almost surely, 2^128207677184 is an apocalyptic number.

It is an amenable number.

128207677184 is an abundant number, since it is smaller than the sum of its proper divisors (133658389432).

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

128207677184 is an equidigital number, since it uses as much as digits as its factorization.

128207677184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646832 (or 11646818 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 128207677184 in words is "one hundred twenty-eight billion, two hundred seven million, six hundred seventy-seven thousand, one hundred eighty-four".