8128502755 has 16 divisors (see below), whose sum is σ = 9852321024. Its totient is φ = 6437715840.

The previous prime is 8128502639. The next prime is 8128502783. The reversal of 8128502755 is 5572058218.

It is not a de Polignac number, because 8128502755 - 2²⁷ = 7994285027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181677 + ... + 221953.

It is an arithmetic number, because the mean of its divisors is an integer number (615770064).

Almost surely, 2^8128502755 is an apocalyptic number.

8128502755 is a deficient number, since it is larger than the sum of its proper divisors (1723818269).

8128502755 is a wasteful number, since it uses less digits than its factorization.

8128502755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40686.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 8128502755 is about 90158.2095818234. The cubic root of 8128502755 is about 2010.6517325024.

The spelling of 8128502755 in words is "eight billion, one hundred twenty-eight million, five hundred two thousand, seven hundred fifty-five".