83412289868 has 72 divisors (see below), whose sum is σ = 154567107072. Its totient is φ = 39372480000.

The previous prime is 83412289867. The next prime is 83412289897. The reversal of 83412289868 is 86898221438.

It is a super-2 number, since 2×83412289868² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83412289867) 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 23 ways as a sum of consecutive naturals, for example, 29778068 + ... + 29780868.

It is an arithmetic number, because the mean of its divisors is an integer number (2146765376).

Almost surely, 2^83412289868 is an apocalyptic number.

It is an amenable number.

83412289868 is a deficient number, since it is larger than the sum of its proper divisors (71154817204).

83412289868 is a wasteful number, since it uses less digits than its factorization.

83412289868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3022 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 59.

The spelling of 83412289868 in words is "eighty-three billion, four hundred twelve million, two hundred eighty-nine thousand, eight hundred sixty-eight".