8199000247 has 2 divisors, whose sum is σ = 8199000248. Its totient is φ = 8199000246.

The previous prime is 8199000241. The next prime is 8199000323. The reversal of 8199000247 is 7420009918.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8199000247 - 2¹⁹ = 8198475959 is a prime.

It is a super-2 number, since 2×8199000247² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8199000241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099500123 + 4099500124.

It is an arithmetic number, because the mean of its divisors is an integer number (4099500124).

Almost surely, 2^8199000247 is an apocalyptic number.

8199000247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8199000247 is an equidigital number, since it uses as much as digits as its factorization.

8199000247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 8199000247 is about 90548.3310006319. The cubic root of 8199000247 is about 2016.4477193835.

The spelling of 8199000247 in words is "eight billion, one hundred ninety-nine million, two hundred forty-seven", and thus it is an aban number.