828146829378 has 32 divisors (see below), whose sum is σ = 1885425196032. Its totient is φ = 240042558800.

The previous prime is 828146829373. The next prime is 828146829431. The reversal of 828146829378 is 873928641828.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (828146829371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272774118 + ... + 272777153.

It is an arithmetic number, because the mean of its divisors is an integer number (58919537376).

Almost surely, 2^828146829378 is an apocalyptic number.

828146829378 is an abundant number, since it is smaller than the sum of its proper divisors (1057278366654).

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

828146829378 is a wasteful number, since it uses less digits than its factorization.

828146829378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545551310.

The product of its digits is 74317824, while the sum is 66.

The spelling of 828146829378 in words is "eight hundred twenty-eight billion, one hundred forty-six million, eight hundred twenty-nine thousand, three hundred seventy-eight".