83117748462047 has 4 divisors (see below), whose sum is σ = 89511421420680. Its totient is φ = 76724075503416.

The previous prime is 83117748462043. The next prime is 83117748462101. The reversal of 83117748462047 is 74026484771138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83117748462047 - 2² = 83117748462043 is a prime.

It is a super-3 number, since 3×83117748462047³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117748462043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3196836479297 + ... + 3196836479322.

It is an arithmetic number, because the mean of its divisors is an integer number (22377855355170).

Almost surely, 2^{83117748462047} is an apocalyptic number.

83117748462047 is a deficient number, since it is larger than the sum of its proper divisors (6393672958633).

83117748462047 is a wasteful number, since it uses less digits than its factorization.

83117748462047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393672958632.

The product of its (nonzero) digits is 50577408, while the sum is 62.

The spelling of 83117748462047 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred forty-eight million, four hundred sixty-two thousand, forty-seven".