83190773 has 2 divisors, whose sum is σ = 83190774. Its totient is φ = 83190772.

The previous prime is 83190769. The next prime is 83190791. The reversal of 83190773 is 37709138.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 3034564 = 8953^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 83190773 - 2² = 83190769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83190743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41595386 + 41595387.

It is an arithmetic number, because the mean of its divisors is an integer number (41595387).

Almost surely, 2^83190773 is an apocalyptic number.

It is an amenable number.

83190773 is a deficient number, since it is larger than the sum of its proper divisors (1).

83190773 is an equidigital number, since it uses as much as digits as its factorization.

83190773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 83190773 is about 9120.8975983727. The cubic root of 83190773 is about 436.5410143552.

The spelling of 83190773 in words is "eighty-three million, one hundred ninety thousand, seven hundred seventy-three".