2197171876 has 27 divisors (see below), whose sum is σ = 4023443851. Its totient is φ = 1049790104.

The previous prime is 2197171849. The next prime is 2197171883. The reversal of 2197171876 is 6781717912.

The square root of 2197171876 is 46874.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2155695 + ... + 2156713.

Almost surely, 2^2197171876 is an apocalyptic number.

2197171876 is the 46874-th square number.

It is an amenable number.

2197171876 is a deficient number, since it is larger than the sum of its proper divisors (1826271975).

2197171876 is an equidigital number, since it uses as much as digits as its factorization.

2197171876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 1044 counting only the distinct ones).

The product of its digits is 296352, while the sum is 49.

The cubic root of 2197171876 is about 1300.0338997077.

Multiplying 2197171876 by its sum of digits (49), we get a square (107661421924 = 328118²).

The spelling of 2197171876 in words is "two billion, one hundred ninety-seven million, one hundred seventy-one thousand, eight hundred seventy-six".