5999969988 has 72 divisors (see below), whose sum is σ = 15311237760. Its totient is φ = 1981004160.

The previous prime is 5999969951. The next prime is 5999969999. The reversal of 5999969988 is 8899699995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1868128 + ... + 1871336.

It is an arithmetic number, because the mean of its divisors is an integer number (212656080).

Almost surely, 2^5999969988 is an apocalyptic number.

It is an amenable number.

5999969988 is an abundant number, since it is smaller than the sum of its proper divisors (9311267772).

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

5999969988 is a wasteful number, since it uses less digits than its factorization.

5999969988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3692 counting only the distinct ones).

The product of its digits is 1020366720, while the sum is 81.

The square root of 5999969988 is about 77459.4731972791. The cubic root of 5999969988 is about 1817.1175630814.

The spelling of 5999969988 in words is "five billion, nine hundred ninety-nine million, nine hundred sixty-nine thousand, nine hundred eighty-eight".