99549907 has 2 divisors, whose sum is σ = 99549908. Its totient is φ = 99549906.

The previous prime is 99549899. The next prime is 99549929. The reversal of 99549907 is 70994599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99549907 - 2³ = 99549899 is a prime.

It is not a weakly prime, because it can be changed into another prime (99549937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49774953 + 49774954.

It is an arithmetic number, because the mean of its divisors is an integer number (49774954).

Almost surely, 2^99549907 is an apocalyptic number.

99549907 is a deficient number, since it is larger than the sum of its proper divisors (1).

99549907 is an equidigital number, since it uses as much as digits as its factorization.

99549907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 99549907 is about 9977.4699698872. The cubic root of 99549907 is about 463.4614537374.

The spelling of 99549907 in words is "ninety-nine million, five hundred forty-nine thousand, nine hundred seven".