999080866 has 32 divisors (see below), whose sum is σ = 1784280960. Its totient is φ = 410640000.

The previous prime is 999080861. The next prime is 999080867. The reversal of 999080866 is 668080999.

999080866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (999080861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19116 + ... + 48616.

It is an arithmetic number, because the mean of its divisors is an integer number (55758780).

Almost surely, 2^999080866 is an apocalyptic number.

999080866 is a deficient number, since it is larger than the sum of its proper divisors (785200094).

999080866 is a wasteful number, since it uses less digits than its factorization.

999080866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29610.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 999080866 is about 31608.2404761796. The cubic root of 999080866 is about 999.6935280846.

The spelling of 999080866 in words is "nine hundred ninety-nine million, eighty thousand, eight hundred sixty-six".