211684797076 has 12 divisors (see below), whose sum is σ = 370877657472. Its totient is φ = 105719752088.

The previous prime is 211684797053. The next prime is 211684797119. The reversal of 211684797076 is 670797486112.

It is a happy number.

211684797076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211684797076.

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 3 ways as a sum of consecutive naturals, for example, 30657730 + ... + 30664633.

It is an arithmetic number, because the mean of its divisors is an integer number (30906471456).

Almost surely, 2^211684797076 is an apocalyptic number.

It is an amenable number.

211684797076 is a deficient number, since it is larger than the sum of its proper divisors (159192860396).

211684797076 is a wasteful number, since it uses less digits than its factorization.

211684797076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61323230 (or 61323228 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 211684797076 in words is "two hundred eleven billion, six hundred eighty-four million, seven hundred ninety-seven thousand, seventy-six".