211576080676 has 27 divisors (see below), whose sum is σ = 374272441137. Its totient is φ = 104653284480.

The previous prime is 211576080659. The next prime is 211576080697. The reversal of 211576080676 is 676080675112.

It is a happy number.

The square root of 211576080676 is 459974.

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

It can be written as a sum of positive squares in only one way, i.e., 95005732900 + 116570347776 = 308230^2 + 341424^2 .

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, 89233771 + ... + 89236141.

Almost surely, 2^211576080676 is an apocalyptic number.

211576080676 is the 459974-th square number.

It is an amenable number.

211576080676 is a deficient number, since it is larger than the sum of its proper divisors (162696360461).

211576080676 is an frugal number, since it uses more digits than its factorization.

211576080676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

Multiplying 211576080676 by its sum of digits (49), we get a square (10367227953124 = 3219818²).

The spelling of 211576080676 in words is "two hundred eleven billion, five hundred seventy-six million, eighty thousand, six hundred seventy-six".