999275967 has 8 divisors (see below), whose sum is σ = 1480408880. Its totient is φ = 666183960.

The previous prime is 999275951. The next prime is 999275971. The reversal of 999275967 is 769572999.

It is a happy number.

It is not a de Polignac number, because 999275967 - 2⁴ = 999275951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999275947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18505084 + ... + 18505137.

It is an arithmetic number, because the mean of its divisors is an integer number (185051110).

Almost surely, 2^999275967 is an apocalyptic number.

999275967 is a deficient number, since it is larger than the sum of its proper divisors (481132913).

999275967 is a wasteful number, since it uses less digits than its factorization.

999275967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010230 (or 37010224 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 63.

The square root of 999275967 is about 31611.3265618512. The cubic root of 999275967 is about 999.7585973961.

The spelling of 999275967 in words is "nine hundred ninety-nine million, two hundred seventy-five thousand, nine hundred sixty-seven".