2193078876 has 24 divisors (see below), whose sum is σ = 5386510080. Its totient is φ = 692551152.

The previous prime is 2193078869. The next prime is 2193078887. The reversal of 2193078876 is 6788703912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4809156 + ... + 4809611.

It is an arithmetic number, because the mean of its divisors is an integer number (224437920).

Almost surely, 2^2193078876 is an apocalyptic number.

It is an amenable number.

2193078876 is an abundant number, since it is smaller than the sum of its proper divisors (3193431204).

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

2193078876 is a wasteful number, since it uses less digits than its factorization.

2193078876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618793 (or 9618791 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 2193078876 is about 46830.3200501555. The cubic root of 2193078876 is about 1299.2261421944.

The spelling of 2193078876 in words is "two billion, one hundred ninety-three million, seventy-eight thousand, eight hundred seventy-six".