2178286796 has 48 divisors (see below), whose sum is σ = 4541816832. Its totient is φ = 894456000.

The previous prime is 2178286793. The next prime is 2178286807. The reversal of 2178286796 is 6976828712.

It is not an unprimeable number, because it can be changed into a prime (2178286793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75245 + ... + 100091.

It is an arithmetic number, because the mean of its divisors is an integer number (94621184).

Almost surely, 2^2178286796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2178286796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270908416).

2178286796 is an abundant number, since it is smaller than the sum of its proper divisors (2363530036).

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

2178286796 is a wasteful number, since it uses less digits than its factorization.

2178286796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990 (or 24988 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 2178286796 is about 46672.1201146895. The cubic root of 2178286796 is about 1296.2985034547.

The spelling of 2178286796 in words is "two billion, one hundred seventy-eight million, two hundred eighty-six thousand, seven hundred ninety-six".