211704892996 has 27 divisors (see below), whose sum is σ = 383747759031. Its totient is φ = 102189478944.

The previous prime is 211704892981. The next prime is 211704893107. The reversal of 211704892996 is 699298407112.

The square root of 211704892996 is 460114.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8181202500 + 203523690496 = 90450^2 + 451136^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211704892996.

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, 26682646 + ... + 26690578.

Almost surely, 2^211704892996 is an apocalyptic number.

211704892996 is the 460114-th square number.

It is an amenable number.

211704892996 is a deficient number, since it is larger than the sum of its proper divisors (172042866035).

211704892996 is an frugal number, since it uses more digits than its factorization.

211704892996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928 (or 7964 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 211704892996 in words is "two hundred eleven billion, seven hundred four million, eight hundred ninety-two thousand, nine hundred ninety-six".