99999885993373 has 2 divisors, whose sum is σ = 99999885993374. Its totient is φ = 99999885993372.

The previous prime is 99999885993311. The next prime is 99999885993379. The reversal of 99999885993373 is 37339958899999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67209122345689 + 32790763647684 = 8198117^2 + 5726322^2 .

It is a cyclic number.

It is not a de Polignac number, because 99999885993373 - 2¹⁷ = 99999885862301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99999885993379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999942996686 + 49999942996687.

It is an arithmetic number, because the mean of its divisors is an integer number (49999942996687).

Almost surely, 2^{99999885993373} is an apocalyptic number.

It is an amenable number.

99999885993373 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999885993373 is an equidigital number, since it uses as much as digits as its factorization.

99999885993373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 289273965120, while the sum is 100.

The spelling of 99999885993373 in words is "ninety-nine trillion, nine hundred ninety-nine billion, eight hundred eighty-five million, nine hundred ninety-three thousand, three hundred seventy-three".