99944567 has 2 divisors, whose sum is σ = 99944568. Its totient is φ = 99944566.

The previous prime is 99944561. The next prime is 99944573. The reversal of 99944567 is 76544999.

It is a balanced prime because it is at equal distance from previous prime (99944561) and next prime (99944573).

It is a cyclic number.

It is not a de Polignac number, because 99944567 - 2¹⁴ = 99928183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99944561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49972283 + 49972284.

It is an arithmetic number, because the mean of its divisors is an integer number (49972284).

Almost surely, 2^99944567 is an apocalyptic number.

99944567 is a deficient number, since it is larger than the sum of its proper divisors (1).

99944567 is an equidigital number, since it uses as much as digits as its factorization.

99944567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The square root of 99944567 is about 9997.2279657913. The cubic root of 99944567 is about 464.0731017776.

The spelling of 99944567 in words is "ninety-nine million, nine hundred forty-four thousand, five hundred sixty-seven".