83486958773 has 2 divisors, whose sum is σ = 83486958774. Its totient is φ = 83486958772.

The previous prime is 83486958769. The next prime is 83486958787. The reversal of 83486958773 is 37785968438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80008082449 + 3478876324 = 282857^2 + 58982^2 .

It is a cyclic number.

It is not a de Polignac number, because 83486958773 - 2² = 83486958769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83486958743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41743479386 + 41743479387.

It is an arithmetic number, because the mean of its divisors is an integer number (41743479387).

Almost surely, 2^83486958773 is an apocalyptic number.

It is an amenable number.

83486958773 is a deficient number, since it is larger than the sum of its proper divisors (1).

83486958773 is an equidigital number, since it uses as much as digits as its factorization.

83486958773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243855360, while the sum is 68.

The spelling of 83486958773 in words is "eighty-three billion, four hundred eighty-six million, nine hundred fifty-eight thousand, seven hundred seventy-three".