999829880 has 32 divisors (see below), whose sum is σ = 2570991840. Its totient is φ = 342798720.

The previous prime is 999829879. The next prime is 999829903. The reversal of 999829880 is 88928999.

999829880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785131 + ... + 1785690.

It is an arithmetic number, because the mean of its divisors is an integer number (80343495).

Almost surely, 2^999829880 is an apocalyptic number.

It is an amenable number.

999829880 is an abundant number, since it is smaller than the sum of its proper divisors (1571161960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999829880 is a wasteful number, since it uses less digits than its factorization.

999829880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570839 (or 3570835 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 62.

The square root of 999829880 is about 31620.0866538977. The cubic root of 999829880 is about 999.9432901174.

The spelling of 999829880 in words is "nine hundred ninety-nine million, eight hundred twenty-nine thousand, eight hundred eighty".