999070207 has 2 divisors, whose sum is σ = 999070208. Its totient is φ = 999070206.

The previous prime is 999070199. The next prime is 999070223. The reversal of 999070207 is 702070999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999070207 - 2³ = 999070199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999071207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499535103 + 499535104.

It is an arithmetic number, because the mean of its divisors is an integer number (499535104).

Almost surely, 2^999070207 is an apocalyptic number.

999070207 is a deficient number, since it is larger than the sum of its proper divisors (1).

999070207 is an equidigital number, since it uses as much as digits as its factorization.

999070207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 999070207 is about 31608.0718646361. The cubic root of 999070207 is about 999.6899728931.

The spelling of 999070207 in words is "nine hundred ninety-nine million, seventy thousand, two hundred seven".