8606909939 has 2 divisors, whose sum is σ = 8606909940. Its totient is φ = 8606909938.

The previous prime is 8606909903. The next prime is 8606909947. The reversal of 8606909939 is 9399096068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8606909939 - 2⁸ = 8606909683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8606909539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4303454969 + 4303454970.

It is an arithmetic number, because the mean of its divisors is an integer number (4303454970).

Almost surely, 2^8606909939 is an apocalyptic number.

8606909939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8606909939 is an equidigital number, since it uses as much as digits as its factorization.

8606909939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The square root of 8606909939 is about 92773.4333686104. The cubic root of 8606909939 is about 2049.3481916656.

The spelling of 8606909939 in words is "eight billion, six hundred six million, nine hundred nine thousand, nine hundred thirty-nine".