826865712 has 160 divisors (see below), whose sum is σ = 2520672000. Its totient is φ = 258785280.

The previous prime is 826865687. The next prime is 826865713. The reversal of 826865712 is 217568628.

It is not an unprimeable number, because it can be changed into a prime (826865713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074864 + ... + 1075632.

It is an arithmetic number, because the mean of its divisors is an integer number (15754200).

Almost surely, 2^826865712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 826865712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260336000).

826865712 is an abundant number, since it is smaller than the sum of its proper divisors (1693806288).

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

826865712 is a wasteful number, since it uses less digits than its factorization.

826865712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 924 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 826865712 is about 28755.2727686593. The cubic root of 826865712 is about 938.5951975203.

The spelling of 826865712 in words is "eight hundred twenty-six million, eight hundred sixty-five thousand, seven hundred twelve".