828778770462 has 16 divisors (see below), whose sum is σ = 1657745344512. Its totient is φ = 276228289560.

The previous prime is 828778770461. The next prime is 828778770509. The reversal of 828778770462 is 264077877828.

It is a junction number, because it is equal to n+sod(n) for n = 828778770393 and 828778770402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828778770461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7767748 + ... + 7873719.

It is an arithmetic number, because the mean of its divisors is an integer number (103609084032).

Almost surely, 2^828778770462 is an apocalyptic number.

828778770462 is an abundant number, since it is smaller than the sum of its proper divisors (828966574050).

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

828778770462 is a wasteful number, since it uses less digits than its factorization.

828778770462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650303.

The product of its (nonzero) digits is 118013952, while the sum is 66.

The spelling of 828778770462 in words is "eight hundred twenty-eight billion, seven hundred seventy-eight million, seven hundred seventy thousand, four hundred sixty-two".