83117708855216 has 40 divisors (see below), whose sum is σ = 184114698491424. Its totient is φ = 35608647513600.

The previous prime is 83117708855117. The next prime is 83117708855281. The reversal of 83117708855216 is 61255880771138.

It is a happy number.

It is a super-3 number, since 3×83117708855216³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 137485685 + ... + 138088916.

Almost surely, 2^{83117708855216} is an apocalyptic number.

It is an amenable number.

83117708855216 is an abundant number, since it is smaller than the sum of its proper divisors (100996989636208).

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

83117708855216 is a wasteful number, since it uses less digits than its factorization.

83117708855216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275577309 (or 275577303 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 62.

The spelling of 83117708855216 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred eight million, eight hundred fifty-five thousand, two hundred sixteen".