999516488 has 8 divisors (see below), whose sum is σ = 1874093430. Its totient is φ = 499758240.

The previous prime is 999516481. The next prime is 999516493. The reversal of 999516488 is 884615999.

999516488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 590587204 + 408929284 = 24302^2 + 20222^2 .

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

It is not an unprimeable number, because it can be changed into a prime (999516481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62469773 + ... + 62469788.

Almost surely, 2^999516488 is an apocalyptic number.

It is an amenable number.

999516488 is a deficient number, since it is larger than the sum of its proper divisors (874576942).

999516488 is a wasteful number, since it uses less digits than its factorization.

999516488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124939567 (or 124939563 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The square root of 999516488 is about 31615.1306813684. The cubic root of 999516488 is about 999.8388033504.

The spelling of 999516488 in words is "nine hundred ninety-nine million, five hundred sixteen thousand, four hundred eighty-eight".