9992305247 has 2 divisors, whose sum is σ = 9992305248. Its totient is φ = 9992305246.

The previous prime is 9992305243. The next prime is 9992305249. The reversal of 9992305247 is 7425032999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9992305247 - 2² = 9992305243 is a prime.

It is a super-3 number, since 3×9992305247³ (a number of 31 digits) contains 333 as substring.

Together with 9992305249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9992305195 and 9992305204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9992305241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996152623 + 4996152624.

It is an arithmetic number, because the mean of its divisors is an integer number (4996152624).

Almost surely, 2^9992305247 is an apocalyptic number.

9992305247 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992305247 is an equidigital number, since it uses as much as digits as its factorization.

9992305247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 9992305247 is about 99961.5188309982. The cubic root of 9992305247 is about 2153.8819534754.

The spelling of 9992305247 in words is "nine billion, nine hundred ninety-two million, three hundred five thousand, two hundred forty-seven".