30772988068 has 12 divisors (see below), whose sum is σ = 53935203420. Its totient is φ = 15362929952.

The previous prime is 30772988063. The next prime is 30772988083. The reversal of 30772988068 is 86088927703.

It can be written as a sum of positive squares in 2 ways, for example, as 11538626724 + 19234361344 = 107418^2 + 138688^2 .

It is not an unprimeable number, because it can be changed into a prime (30772988063) 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, 5888083 + ... + 5893306.

It is an arithmetic number, because the mean of its divisors is an integer number (4494600285).

Almost surely, 2^30772988068 is an apocalyptic number.

It is an amenable number.

30772988068 is a deficient number, since it is larger than the sum of its proper divisors (23162215352).

30772988068 is a wasteful number, since it uses less digits than its factorization.

30772988068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782046 (or 11782044 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 30772988068 in words is "thirty billion, seven hundred seventy-two million, nine hundred eighty-eight thousand, sixty-eight".