2173798700 has 18 divisors (see below), whose sum is σ = 4717143396. Its totient is φ = 869519440.

The previous prime is 2173798643. The next prime is 2173798703. The reversal of 2173798700 is 78973712.

It is not an unprimeable number, because it can be changed into a prime (2173798703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10868894 + ... + 10869093.

It is an arithmetic number, because the mean of its divisors is an integer number (262063522).

Almost surely, 2^2173798700 is an apocalyptic number.

2173798700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2173798700 is an abundant number, since it is smaller than the sum of its proper divisors (2543344696).

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

2173798700 is a wasteful number, since it uses less digits than its factorization.

2173798700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21738001 (or 21737994 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 2173798700 is about 46624.0141986938. The cubic root of 2173798700 is about 1295.4076026453.

The spelling of 2173798700 in words is "two billion, one hundred seventy-three million, seven hundred ninety-eight thousand, seven hundred".