827495172 has 36 divisors (see below), whose sum is σ = 2390542336. Its totient is φ = 236427120.

The previous prime is 827495171. The next prime is 827495209. The reversal of 827495172 is 271594728.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (827495171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641604 + ... + 1642107.

Almost surely, 2^827495172 is an apocalyptic number.

It is an amenable number.

827495172 is an abundant number, since it is smaller than the sum of its proper divisors (1563047164).

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

827495172 is a wasteful number, since it uses less digits than its factorization.

827495172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283728 (or 3283723 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 827495172 is about 28766.2158095221. The cubic root of 827495172 is about 938.8333088477.

The spelling of 827495172 in words is "eight hundred twenty-seven million, four hundred ninety-five thousand, one hundred seventy-two".