99000047 has 2 divisors, whose sum is σ = 99000048. Its totient is φ = 99000046.

The previous prime is 99000037. The next prime is 99000059. The reversal of 99000047 is 74000099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99000047 - 2⁶ = 98999983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98999983 and 99000019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500023 + 49500024.

It is an arithmetic number, because the mean of its divisors is an integer number (49500024).

Almost surely, 2^99000047 is an apocalyptic number.

99000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000047 is an equidigital number, since it uses as much as digits as its factorization.

99000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 99000047 is about 9949.8767329048. The cubic root of 99000047 is about 462.6065741254.

The spelling of 99000047 in words is "ninety-nine million, forty-seven", and thus it is an aban number and an uban number.