999586967680 has 128 divisors (see below), whose sum is σ = 2768426455680. Its totient is φ = 338020687872.

The previous prime is 999586967677. The next prime is 999586967699. The reversal of 999586967680 is 86769685999.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 999586967594 and 999586967603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201194 + ... + 1855273.

It is an arithmetic number, because the mean of its divisors is an integer number (21628331685).

Almost surely, 2^999586967680 is an apocalyptic number.

It is an amenable number.

999586967680 is an abundant number, since it is smaller than the sum of its proper divisors (1768839488000).

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

999586967680 is a wasteful number, since it uses less digits than its factorization.

999586967680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056566 (or 3056554 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 82.

The spelling of 999586967680 in words is "nine hundred ninety-nine billion, five hundred eighty-six million, nine hundred sixty-seven thousand, six hundred eighty".