99999984332783 has 2 divisors, whose sum is σ = 99999984332784. Its totient is φ = 99999984332782.

The previous prime is 99999984332777. The next prime is 99999984332803. The reversal of 99999984332783 is 38723348999999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99999984332783 - 2⁶ = 99999984332719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99999984332692 and 99999984332701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99999984332723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999992166391 + 49999992166392.

It is an arithmetic number, because the mean of its divisors is an integer number (49999992166392).

Almost surely, 2^{99999984332783} is an apocalyptic number.

99999984332783 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999984332783 is an equidigital number, since it uses as much as digits as its factorization.

99999984332783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51426482688, while the sum is 92.

The spelling of 99999984332783 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred eighty-four million, three hundred thirty-two thousand, seven hundred eighty-three".