9993794862 has 64 divisors (see below), whose sum is σ = 21685466880. Its totient is φ = 3058159104.

The previous prime is 9993794843. The next prime is 9993794869. The reversal of 9993794862 is 2684973999.

It is a junction number, because it is equal to n+sod(n) for n = 9993794793 and 9993794802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993794869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4924464 + ... + 4926492.

It is an arithmetic number, because the mean of its divisors is an integer number (338835420).

Almost surely, 2^9993794862 is an apocalyptic number.

9993794862 is an abundant number, since it is smaller than the sum of its proper divisors (11691672018).

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

9993794862 is a wasteful number, since it uses less digits than its factorization.

9993794862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its digits is 52907904, while the sum is 66.

The square root of 9993794862 is about 99968.9694955390. The cubic root of 9993794862 is about 2153.9889790104.

The spelling of 9993794862 in words is "nine billion, nine hundred ninety-three million, seven hundred ninety-four thousand, eight hundred sixty-two".