827378881182 has 128 divisors (see below), whose sum is σ = 2209380433920. Its totient is φ = 224389582560.

The previous prime is 827378881177. The next prime is 827378881183. The reversal of 827378881182 is 281188873728.

827378881182 is a `hidden beast` number, since 8 + 2 + 7 + 378 + 8 + 81 + 182 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827378881183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 775683 + ... + 1502145.

It is an arithmetic number, because the mean of its divisors is an integer number (17260784640).

Almost surely, 2^827378881182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 827378881182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104690216960).

827378881182 is an abundant number, since it is smaller than the sum of its proper divisors (1382001552738).

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

827378881182 is a wasteful number, since it uses less digits than its factorization.

827378881182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726635 (or 726629 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 63.

The spelling of 827378881182 in words is "eight hundred twenty-seven billion, three hundred seventy-eight million, eight hundred eighty-one thousand, one hundred eighty-two".