999884488 has 8 divisors (see below), whose sum is σ = 1874783430. Its totient is φ = 499942240.

The previous prime is 999884477. The next prime is 999884491. The reversal of 999884488 is 884488999.

It can be written as a sum of positive squares in only one way, i.e., 808947364 + 190937124 = 28442^2 + 13818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62492773 + ... + 62492788.

Almost surely, 2^999884488 is an apocalyptic number.

It is an amenable number.

999884488 is a deficient number, since it is larger than the sum of its proper divisors (874898942).

999884488 is a wasteful number, since it uses less digits than its factorization.

999884488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124985567 (or 124985563 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 67.

The square root of 999884488 is about 31620.9501438524. The cubic root of 999884488 is about 999.9614945173.

The spelling of 999884488 in words is "nine hundred ninety-nine million, eight hundred eighty-four thousand, four hundred eighty-eight".