986398566976 has 21 divisors (see below), whose sum is σ = 1957400423139. Its totient is φ = 493195310784.

The previous prime is 986398566929. The next prime is 986398566983. The reversal of 986398566976 is 679665893689.

The square root of 986398566976 is 993176.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 986398566976.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7883335 + ... + 8007481.

It is an arithmetic number, because the mean of its divisors is an integer number (93209543959).

Almost surely, 2^986398566976 is an apocalyptic number.

986398566976 is the 993176-th square number.

It is an amenable number.

986398566976 is a deficient number, since it is larger than the sum of its proper divisors (971001856163).

986398566976 is an frugal number, since it uses more digits than its factorization.

986398566976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248306 (or 124149 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 82.

The spelling of 986398566976 in words is "nine hundred eighty-six billion, three hundred ninety-eight million, five hundred sixty-six thousand, nine hundred seventy-six".