8612657899 has 2 divisors, whose sum is σ = 8612657900. Its totient is φ = 8612657898.

The previous prime is 8612657897. The next prime is 8612657983. The reversal of 8612657899 is 9987562168.

8612657899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8612657899 - 2¹ = 8612657897 is a prime.

Together with 8612657897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8612657897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306328949 + 4306328950.

It is an arithmetic number, because the mean of its divisors is an integer number (4306328950).

Almost surely, 2^8612657899 is an apocalyptic number.

8612657899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8612657899 is an equidigital number, since it uses as much as digits as its factorization.

8612657899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 61.

The square root of 8612657899 is about 92804.4066787779. The cubic root of 8612657899 is about 2049.8042961303.

The spelling of 8612657899 in words is "eight billion, six hundred twelve million, six hundred fifty-seven thousand, eight hundred ninety-nine".