99612319 has 2 divisors, whose sum is σ = 99612320. Its totient is φ = 99612318.

The previous prime is 99612313. The next prime is 99612341. The reversal of 99612319 is 91321699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99612319 - 2¹¹ = 99610271 is a prime.

It is a super-2 number, since 2×99612319² = 19845228193115522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99612313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49806159 + 49806160.

It is an arithmetic number, because the mean of its divisors is an integer number (49806160).

Almost surely, 2^99612319 is an apocalyptic number.

99612319 is a deficient number, since it is larger than the sum of its proper divisors (1).

99612319 is an equidigital number, since it uses as much as digits as its factorization.

99612319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 40.

The square root of 99612319 is about 9980.5971264249. The cubic root of 99612319 is about 463.5582879597.

The spelling of 99612319 in words is "ninety-nine million, six hundred twelve thousand, three hundred nineteen".