99425567 has 2 divisors, whose sum is σ = 99425568. Its totient is φ = 99425566.

The previous prime is 99425519. The next prime is 99425569. The reversal of 99425567 is 76552499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99425567 - 2¹⁰ = 99424543 is a prime.

Together with 99425569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99425569) 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, 49712783 + 49712784.

It is an arithmetic number, because the mean of its divisors is an integer number (49712784).

Almost surely, 2^99425567 is an apocalyptic number.

99425567 is a deficient number, since it is larger than the sum of its proper divisors (1).

99425567 is an equidigital number, since it uses as much as digits as its factorization.

99425567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 99425567 is about 9971.2369844468. The cubic root of 99425567 is about 463.2684155320.

The spelling of 99425567 in words is "ninety-nine million, four hundred twenty-five thousand, five hundred sixty-seven".