828178078 has 24 divisors (see below), whose sum is σ = 1537349328. Its totient is φ = 327629952.

The previous prime is 828178063. The next prime is 828178079. The reversal of 828178078 is 870871828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828178079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172651 + ... + 177382.

It is an arithmetic number, because the mean of its divisors is an integer number (64056222).

Almost surely, 2^828178078 is an apocalyptic number.

828178078 is a deficient number, since it is larger than the sum of its proper divisors (709171250).

828178078 is a wasteful number, since it uses less digits than its factorization.

828178078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350068 (or 350055 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 49.

The square root of 828178078 is about 28778.0832926726. The cubic root of 828178078 is about 939.0915011340.

The spelling of 828178078 in words is "eight hundred twenty-eight million, one hundred seventy-eight thousand, seventy-eight".