8676199643 has 2 divisors, whose sum is σ = 8676199644. Its totient is φ = 8676199642.

The previous prime is 8676199591. The next prime is 8676199661. The reversal of 8676199643 is 3469916768.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8676199643 is a prime.

It is not a weakly prime, because it can be changed into another prime (8676199673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4338099821 + 4338099822.

It is an arithmetic number, because the mean of its divisors is an integer number (4338099822).

Almost surely, 2^8676199643 is an apocalyptic number.

8676199643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8676199643 is an equidigital number, since it uses as much as digits as its factorization.

8676199643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 8676199643 is about 93146.1198494065. The cubic root of 8676199643 is about 2054.8329077600.

The spelling of 8676199643 in words is "eight billion, six hundred seventy-six million, one hundred ninety-nine thousand, six hundred forty-three".