842923099 has 2 divisors, whose sum is σ = 842923100. Its totient is φ = 842923098.

The previous prime is 842923093. The next prime is 842923157. The reversal of 842923099 is 990329248.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842923099 is a prime.

It is not a weakly prime, because it can be changed into another prime (842923093) 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, 421461549 + 421461550.

It is an arithmetic number, because the mean of its divisors is an integer number (421461550).

Almost surely, 2^842923099 is an apocalyptic number.

842923099 is a deficient number, since it is larger than the sum of its proper divisors (1).

842923099 is an equidigital number, since it uses as much as digits as its factorization.

842923099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 842923099 is about 29033.1379461470. The cubic root of 842923099 is about 944.6319961609.

The spelling of 842923099 in words is "eight hundred forty-two million, nine hundred twenty-three thousand, ninety-nine".