99673807 has 2 divisors, whose sum is σ = 99673808. Its totient is φ = 99673806.

The previous prime is 99673799. The next prime is 99673813. The reversal of 99673807 is 70837699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99673807 - 2³ = 99673799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99673877) 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, 49836903 + 49836904.

It is an arithmetic number, because the mean of its divisors is an integer number (49836904).

Almost surely, 2^99673807 is an apocalyptic number.

99673807 is a deficient number, since it is larger than the sum of its proper divisors (1).

99673807 is an equidigital number, since it uses as much as digits as its factorization.

99673807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 99673807 is about 9983.6770280293. The cubic root of 99673807 is about 463.6536490206.

The spelling of 99673807 in words is "ninety-nine million, six hundred seventy-three thousand, eight hundred seven".