99612067 has 2 divisors, whose sum is σ = 99612068. Its totient is φ = 99612066.

The previous prime is 99612059. The next prime is 99612109. The reversal of 99612067 is 76021699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99612067 - 2³ = 99612059 is a prime.

It is not a weakly prime, because it can be changed into another prime (99612017) 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, 49806033 + 49806034.

It is an arithmetic number, because the mean of its divisors is an integer number (49806034).

Almost surely, 2^99612067 is an apocalyptic number.

99612067 is a deficient number, since it is larger than the sum of its proper divisors (1).

99612067 is an equidigital number, since it uses as much as digits as its factorization.

99612067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 99612067 is about 9980.5845019217. The cubic root of 99612067 is about 463.5578970550.

The spelling of 99612067 in words is "ninety-nine million, six hundred twelve thousand, sixty-seven".