999965507 has 2 divisors, whose sum is σ = 999965508. Its totient is φ = 999965506.

The previous prime is 999965429. The next prime is 999965537. The reversal of 999965507 is 705569999.

999965507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999965507 - 2⁸ = 999965251 is a prime.

It is not a weakly prime, because it can be changed into another prime (999965537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499982753 + 499982754.

It is an arithmetic number, because the mean of its divisors is an integer number (499982754).

Almost surely, 2^999965507 is an apocalyptic number.

999965507 is a deficient number, since it is larger than the sum of its proper divisors (1).

999965507 is an equidigital number, since it uses as much as digits as its factorization.

999965507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6889050, while the sum is 59.

The square root of 999965507 is about 31622.2312147641. The cubic root of 999965507 is about 999.9885022011.

The spelling of 999965507 in words is "nine hundred ninety-nine million, nine hundred sixty-five thousand, five hundred seven".