83401218868 has 12 divisors (see below), whose sum is σ = 159220508832. Its totient is φ = 37909644920.

The previous prime is 83401218841. The next prime is 83401218899. The reversal of 83401218868 is 86881210438.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 947741080 + ... + 947741167.

It is an arithmetic number, because the mean of its divisors is an integer number (13268375736).

Almost surely, 2^83401218868 is an apocalyptic number.

It is an amenable number.

83401218868 is a deficient number, since it is larger than the sum of its proper divisors (75819289964).

83401218868 is a wasteful number, since it uses less digits than its factorization.

83401218868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895482262 (or 1895482260 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 83401218868 in words is "eighty-three billion, four hundred one million, two hundred eighteen thousand, eight hundred sixty-eight".