2167794844 has 6 divisors (see below), whose sum is σ = 3793640984. Its totient is φ = 1083897420.

The previous prime is 2167794841. The next prime is 2167794857. The reversal of 2167794844 is 4484977612.

It is a junction number, because it is equal to n+sod(n) for n = 2167794791 and 2167794800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167794841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270974352 + ... + 270974359.

Almost surely, 2^2167794844 is an apocalyptic number.

It is an amenable number.

2167794844 is a deficient number, since it is larger than the sum of its proper divisors (1625846140).

2167794844 is a wasteful number, since it uses less digits than its factorization.

2167794844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541948715 (or 541948713 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 2167794844 is about 46559.5838039818. The cubic root of 2167794844 is about 1294.2138993622.

The spelling of 2167794844 in words is "two billion, one hundred sixty-seven million, seven hundred ninety-four thousand, eight hundred forty-four".