83795278512 has 80 divisors (see below), whose sum is σ = 239139694080. Its totient is φ = 25071072000.

The previous prime is 83795278453. The next prime is 83795278513. The reversal of 83795278512 is 21587259738.

It is not an unprimeable number, because it can be changed into a prime (83795278513) 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 15 ways as a sum of consecutive naturals, for example, 962739 + ... + 1046162.

It is an arithmetic number, because the mean of its divisors is an integer number (2989246176).

Almost surely, 2^83795278512 is an apocalyptic number.

It is an amenable number.

83795278512 is an abundant number, since it is smaller than the sum of its proper divisors (155344415568).

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

83795278512 is a wasteful number, since it uses less digits than its factorization.

83795278512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009002 (or 2008996 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 57.

The spelling of 83795278512 in words is "eighty-three billion, seven hundred ninety-five million, two hundred seventy-eight thousand, five hundred twelve".