99045773 has 2 divisors, whose sum is σ = 99045774. Its totient is φ = 99045772.

The previous prime is 99045763. The next prime is 99045811. The reversal of 99045773 is 37754099.

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., 97970404 + 1075369 = 9898^2 + 1037^2 .

It is an emirp because it is prime and its reverse (37754099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99045773 - 2¹⁶ = 98980237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99045733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49522886 + 49522887.

It is an arithmetic number, because the mean of its divisors is an integer number (49522887).

Almost surely, 2^99045773 is an apocalyptic number.

It is an amenable number.

99045773 is a deficient number, since it is larger than the sum of its proper divisors (1).

99045773 is an equidigital number, since it uses as much as digits as its factorization.

99045773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 99045773 is about 9952.1742850495. The cubic root of 99045773 is about 462.6777858502.

The spelling of 99045773 in words is "ninety-nine million, forty-five thousand, seven hundred seventy-three".