828205339742 has 32 divisors (see below), whose sum is σ = 1399193478144. Its totient is φ = 364253097600.

The previous prime is 828205339673. The next prime is 828205339757. The reversal of 828205339742 is 247933502828.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4170233 + ... + 4364315.

It is an arithmetic number, because the mean of its divisors is an integer number (43724796192).

Almost surely, 2^828205339742 is an apocalyptic number.

828205339742 is a deficient number, since it is larger than the sum of its proper divisors (570988138402).

828205339742 is a wasteful number, since it uses less digits than its factorization.

828205339742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200384.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 828205339742 in words is "eight hundred twenty-eight billion, two hundred five million, three hundred thirty-nine thousand, seven hundred forty-two".