3078828820 has 12 divisors (see below), whose sum is σ = 6465540564. Its totient is φ = 1231531520.

The previous prime is 3078828817. The next prime is 3078828821. The reversal of 3078828820 is 288288703.

It can be written as a sum of positive squares in 2 ways, for example, as 513203716 + 2565625104 = 22654^2 + 50652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3078828821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76970701 + ... + 76970740.

It is an arithmetic number, because the mean of its divisors is an integer number (538795047).

Almost surely, 2^3078828820 is an apocalyptic number.

It is an amenable number.

3078828820 is an abundant number, since it is smaller than the sum of its proper divisors (3386711744).

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

3078828820 is a wasteful number, since it uses less digits than its factorization.

3078828820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153941450 (or 153941448 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 3078828820 is about 55487.1950994101. The cubic root of 3078828820 is about 1454.7728289697.

The spelling of 3078828820 in words is "three billion, seventy-eight million, eight hundred twenty-eight thousand, eight hundred twenty".