211786027448 has 8 divisors (see below), whose sum is σ = 397098801480. Its totient is φ = 105893013720.

The previous prime is 211786027441. The next prime is 211786027457. The reversal of 211786027448 is 844720687112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 211786027396 and 211786027405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211786027441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13236626708 + ... + 13236626723.

It is an arithmetic number, because the mean of its divisors is an integer number (49637350185).

Almost surely, 2^211786027448 is an apocalyptic number.

It is an amenable number.

211786027448 is a deficient number, since it is larger than the sum of its proper divisors (185312774032).

211786027448 is a wasteful number, since it uses less digits than its factorization.

211786027448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26473253437 (or 26473253433 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 211786027448 in words is "two hundred eleven billion, seven hundred eighty-six million, twenty-seven thousand, four hundred forty-eight".