827243712 has 56 divisors (see below), whose sum is σ = 2431948400. Its totient is φ = 275747328.

The previous prime is 827243701. The next prime is 827243713. The reversal of 827243712 is 217342728.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (827243713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237637 + ... + 241092.

It is an arithmetic number, because the mean of its divisors is an integer number (43427650).

Almost surely, 2^827243712 is an apocalyptic number.

It is an amenable number.

827243712 is an abundant number, since it is smaller than the sum of its proper divisors (1604704688).

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

827243712 is a wasteful number, since it uses less digits than its factorization.

827243712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478750 (or 478734 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 827243712 is about 28761.8447252606. The cubic root of 827243712 is about 938.7382013679.

It can be divided in two parts, 82724 and 3712, that added together give a square (86436 = 294²).

The spelling of 827243712 in words is "eight hundred twenty-seven million, two hundred forty-three thousand, seven hundred twelve".