999988000036 has 27 divisors (see below), whose sum is σ = 1829457287931. Its totient is φ = 478233130584.

The previous prime is 999988000003. The next prime is 999988000057. The reversal of 999988000036 is 630000889999.

The square root of 999988000036 is 999994.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 45988855 + ... + 46010593.

Almost surely, 2^999988000036 is an apocalyptic number.

999988000036 is the 999994-th square number.

It is an amenable number.

999988000036 is a deficient number, since it is larger than the sum of its proper divisors (829469287895).

999988000036 is an frugal number, since it uses more digits than its factorization.

999988000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43528 (or 21764 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 61.

The spelling of 999988000036 in words is "nine hundred ninety-nine billion, nine hundred eighty-eight million, thirty-six", and thus it is an aban number.