128050785376 has 24 divisors (see below), whose sum is σ = 260232243264. Its totient is φ = 61960056960.

The previous prime is 128050785353. The next prime is 128050785377. The reversal of 128050785376 is 673587050821.

It is a happy number.

It is a super-2 number, since 2×128050785376² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128050785377) by changing a digit.

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, 64540735 + ... + 64542718.

It is an arithmetic number, because the mean of its divisors is an integer number (10843010136).

Almost surely, 2^128050785376 is an apocalyptic number.

128050785376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128050785376 is an abundant number, since it is smaller than the sum of its proper divisors (132181457888).

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

128050785376 is a wasteful number, since it uses less digits than its factorization.

128050785376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129083494 (or 129083486 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 128050785376 in words is "one hundred twenty-eight billion, fifty million, seven hundred eighty-five thousand, three hundred seventy-six".