999999000666707 has 2 divisors, whose sum is σ = 999999000666708. Its totient is φ = 999999000666706.

The previous prime is 999999000666559. The next prime is 999999000666713. The reversal of 999999000666707 is 707666000999999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999999000666707 - 2²² = 999998996472403 is a prime.

It is not a weakly prime, because it can be changed into another prime (999999000666007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999500333353 + 499999500333354.

It is an arithmetic number, because the mean of its divisors is an integer number (499999500333354).

Almost surely, 2^{999999000666707} is an apocalyptic number.

999999000666707 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999000666707 is an equidigital number, since it uses as much as digits as its factorization.

999999000666707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5624771544, while the sum is 86.

The spelling of 999999000666707 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, six hundred sixty-six thousand, seven hundred seven".