83683717847663 has 4 divisors (see below), whose sum is σ = 83732006203608. Its totient is φ = 83635429491720.

The previous prime is 83683717847629. The next prime is 83683717847669. The reversal of 83683717847663 is 36674871738638.

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 83683717847663 - 2¹⁴ = 83683717831279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83683717847669) 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, 24144175373 + ... + 24144178838.

It is an arithmetic number, because the mean of its divisors is an integer number (20933001550902).

Almost surely, 2^{83683717847663} is an apocalyptic number.

83683717847663 is a deficient number, since it is larger than the sum of its proper divisors (48288355945).

83683717847663 is a wasteful number, since it uses less digits than its factorization.

83683717847663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48288355944.

The product of its digits is 4096770048, while the sum is 77.

The spelling of 83683717847663 in words is "eighty-three trillion, six hundred eighty-three billion, seven hundred seventeen million, eight hundred forty-seven thousand, six hundred sixty-three".