83512504717 has 2 divisors, whose sum is σ = 83512504718. Its totient is φ = 83512504716.

The previous prime is 83512504697. The next prime is 83512504721. The reversal of 83512504717 is 71740521538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68617278601 + 14895226116 = 261949^2 + 122046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83512504717 is a prime.

It is a super-3 number, since 3×83512504717³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83512004717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41756252358 + 41756252359.

It is an arithmetic number, because the mean of its divisors is an integer number (41756252359).

Almost surely, 2^83512504717 is an apocalyptic number.

It is an amenable number.

83512504717 is a deficient number, since it is larger than the sum of its proper divisors (1).

83512504717 is an equidigital number, since it uses as much as digits as its factorization.

83512504717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 83512504717 in words is "eighty-three billion, five hundred twelve million, five hundred four thousand, seven hundred seventeen".