83117708855084 has 6 divisors (see below), whose sum is σ = 145455990496404. Its totient is φ = 41558854427540.

The previous prime is 83117708855033. The next prime is 83117708855099. The reversal of 83117708855084 is 48055880771138.

It is a super-2 number, since 2×83117708855084² (a number of 29 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 83117708855084.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10389713606882 + ... + 10389713606889.

It is an arithmetic number, because the mean of its divisors is an integer number (24242665082734).

Almost surely, 2^{83117708855084} is an apocalyptic number.

It is an amenable number.

83117708855084 is a deficient number, since it is larger than the sum of its proper divisors (62338281641320).

83117708855084 is a wasteful number, since it uses less digits than its factorization.

83117708855084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779427213775 (or 20779427213773 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 65.

The spelling of 83117708855084 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred eight million, eight hundred fifty-five thousand, eighty-four".