993216777876 has 24 divisors (see below), whose sum is σ = 2575006461440. Its totient is φ = 331072259256.

The previous prime is 993216777859. The next prime is 993216777881. The reversal of 993216777876 is 678777612399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4598225716 + ... + 4598225931.

Almost surely, 2^993216777876 is an apocalyptic number.

It is an amenable number.

993216777876 is an abundant number, since it is smaller than the sum of its proper divisors (1581789683564).

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

993216777876 is a wasteful number, since it uses less digits than its factorization.

993216777876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196451660 (or 9196451652 counting only the distinct ones).

The product of its digits is 336063168, while the sum is 72.

The spelling of 993216777876 in words is "nine hundred ninety-three billion, two hundred sixteen million, seven hundred seventy-seven thousand, eight hundred seventy-six".