999999000075 has 12 divisors (see below), whose sum is σ = 1653331680248. Its totient is φ = 533332800000.

The previous prime is 999999000067. The next prime is 999999000083. The reversal of 999999000075 is 570000999999.

999999000075 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (999999000067) and next prime (999999000083).

It is not a de Polignac number, because 999999000075 - 2³ = 999999000067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6666659926 + ... + 6666660075.

Almost surely, 2^999999000075 is an apocalyptic number.

999999000075 is a deficient number, since it is larger than the sum of its proper divisors (653332680173).

999999000075 is a wasteful number, since it uses less digits than its factorization.

999999000075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333320014 (or 13333320009 counting only the distinct ones).

The product of its (nonzero) digits is 18600435, while the sum is 66.

The spelling of 999999000075 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, seventy-five", and thus it is an aban number.