8399210047 has 2 divisors, whose sum is σ = 8399210048. Its totient is φ = 8399210046.

The previous prime is 8399210041. The next prime is 8399210051. The reversal of 8399210047 is 7400129938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8399210047 - 2²⁷ = 8264992319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8399209985 and 8399210012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8399210041) 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, 4199605023 + 4199605024.

It is an arithmetic number, because the mean of its divisors is an integer number (4199605024).

Almost surely, 2^8399210047 is an apocalyptic number.

8399210047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8399210047 is an equidigital number, since it uses as much as digits as its factorization.

8399210047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 8399210047 is about 91647.2042508663. The cubic root of 8399210047 is about 2032.7289889851.

The spelling of 8399210047 in words is "eight billion, three hundred ninety-nine million, two hundred ten thousand, forty-seven".