83117708856436 has 12 divisors (see below), whose sum is σ = 145456195003812. Its totient is φ = 41558795998208.

The previous prime is 83117708856409. The next prime is 83117708856583. The reversal of 83117708856436 is 63465880771138.

It can be written as a sum of positive squares in 2 ways, for example, as 61083509572836 + 22034199283600 = 7815594^2 + 4694060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11324875 + ... + 17160658.

It is an arithmetic number, because the mean of its divisors is an integer number (12121349583651).

Almost surely, 2^{83117708856436} is an apocalyptic number.

It is an amenable number.

83117708856436 is a deficient number, since it is larger than the sum of its proper divisors (62338486147376).

83117708856436 is a wasteful number, since it uses less digits than its factorization.

83117708856436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29215010 (or 29215008 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 67.

The spelling of 83117708856436 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred eight million, eight hundred fifty-six thousand, four hundred thirty-six".