83128838524385 has 32 divisors (see below), whose sum is σ = 105816973041792. Its totient is φ = 62475911009280.

The previous prime is 83128838524357. The next prime is 83128838524441. The reversal of 83128838524385 is 58342583882138.

It is not a de Polignac number, because 83128838524385 - 2¹⁰ = 83128838523361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886084130 + ... + 886177940.

It is an arithmetic number, because the mean of its divisors is an integer number (3306780407556).

Almost surely, 2^{83128838524385} is an apocalyptic number.

83128838524385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83128838524385 is a deficient number, since it is larger than the sum of its proper divisors (22688134517407).

83128838524385 is a wasteful number, since it uses less digits than its factorization.

83128838524385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112913.

The product of its digits is 353894400, while the sum is 68.

The spelling of 83128838524385 in words is "eighty-three trillion, one hundred twenty-eight billion, eight hundred thirty-eight million, five hundred twenty-four thousand, three hundred eighty-five".