83144828712 has 32 divisors (see below), whose sum is σ = 226758624480. Its totient is φ = 25195402560.

The previous prime is 83144828699. The next prime is 83144828729. The reversal of 83144828712 is 21782844138.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 157471003 + ... + 157471530.

It is an arithmetic number, because the mean of its divisors is an integer number (7086207015).

Almost surely, 2^83144828712 is an apocalyptic number.

It is an amenable number.

83144828712 is an abundant number, since it is smaller than the sum of its proper divisors (143613795768).

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

83144828712 is a wasteful number, since it uses less digits than its factorization.

83144828712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314942553 (or 314942549 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The spelling of 83144828712 in words is "eighty-three billion, one hundred forty-four million, eight hundred twenty-eight thousand, seven hundred twelve".