84775636132 has 54 divisors (see below), whose sum is σ = 165411118194. Its totient is φ = 37981975680.

The previous prime is 84775636123. The next prime is 84775636139. The reversal of 84775636132 is 23163657748.

It can be written as a sum of positive squares in 3 ways, for example, as 5687573056 + 79088063076 = 75416^2 + 281226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84775636132.

It is not an unprimeable number, because it can be changed into a prime (84775636139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54728494 + ... + 54730042.

Almost surely, 2^84775636132 is an apocalyptic number.

It is an amenable number.

84775636132 is a deficient number, since it is larger than the sum of its proper divisors (80635482062).

84775636132 is a wasteful number, since it uses less digits than its factorization.

84775636132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 1635 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 84775636132 in words is "eighty-four billion, seven hundred seventy-five million, six hundred thirty-six thousand, one hundred thirty-two".