827666832 has 20 divisors (see below), whose sum is σ = 2138139440. Its totient is φ = 275888928.

The previous prime is 827666813. The next prime is 827666837. The reversal of 827666832 is 238666728.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 17243059 = 827666832 / (8 + 2 + 7 + 6 + 6 + 6 + 8 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (827666837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8621482 + ... + 8621577.

It is an arithmetic number, because the mean of its divisors is an integer number (106906972).

Almost surely, 2^827666832 is an apocalyptic number.

It is an amenable number.

827666832 is an abundant number, since it is smaller than the sum of its proper divisors (1310472608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827666832 is a wasteful number, since it uses less digits than its factorization.

827666832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17243070 (or 17243064 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 827666832 is about 28769.1993632079. The cubic root of 827666832 is about 938.8982232177.

It can be divided in two parts, 82766 and 6832, that added together give a palindrome (89598).

The spelling of 827666832 in words is "eight hundred twenty-seven million, six hundred sixty-six thousand, eight hundred thirty-two".