30828277780 has 24 divisors (see below), whose sum is σ = 65168127360. Its totient is φ = 12249645600.

The previous prime is 30828277771. The next prime is 30828277787. The reversal of 30828277780 is 8777282803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30828277787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101000 + ... + 5107039.

It is an arithmetic number, because the mean of its divisors is an integer number (2715338640).

Almost surely, 2^30828277780 is an apocalyptic number.

It is an amenable number.

30828277780 is an abundant number, since it is smaller than the sum of its proper divisors (34339849580).

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

30828277780 is a wasteful number, since it uses less digits than its factorization.

30828277780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208199 (or 10208197 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 30828277780 in words is "thirty billion, eight hundred twenty-eight million, two hundred seventy-seven thousand, seven hundred eighty".