83818386862 has 16 divisors (see below), whose sum is σ = 143693684352. Its totient is φ = 35920910520.

The previous prime is 83818386823. The next prime is 83818386907. The reversal of 83818386862 is 26868381838.

It is a super-2 number, since 2×83818386862² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83818386862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391453 + ... + 566455.

It is an arithmetic number, because the mean of its divisors is an integer number (8980855272).

Almost surely, 2^83818386862 is an apocalyptic number.

83818386862 is a deficient number, since it is larger than the sum of its proper divisors (59875297490).

83818386862 is a wasteful number, since it uses less digits than its factorization.

83818386862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209223.

The product of its digits is 21233664, while the sum is 61.

The spelling of 83818386862 in words is "eighty-three billion, eight hundred eighteen million, three hundred eighty-six thousand, eight hundred sixty-two".