99094987 has 2 divisors, whose sum is σ = 99094988. Its totient is φ = 99094986.

The previous prime is 99094979. The next prime is 99095033. The reversal of 99094987 is 78949099.

It is a weak prime.

It is an emirp because it is prime and its reverse (78949099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99094987 - 2³ = 99094979 is a prime.

It is not a weakly prime, because it can be changed into another prime (99094967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49547493 + 49547494.

It is an arithmetic number, because the mean of its divisors is an integer number (49547494).

Almost surely, 2^99094987 is an apocalyptic number.

99094987 is a deficient number, since it is larger than the sum of its proper divisors (1).

99094987 is an equidigital number, since it uses as much as digits as its factorization.

99094987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 99094987 is about 9954.6465030156. The cubic root of 99094987 is about 462.7544051530.

The spelling of 99094987 in words is "ninety-nine million, ninety-four thousand, nine hundred eighty-seven".