80068837028 has 6 divisors (see below), whose sum is σ = 140120464806. Its totient is φ = 40034418512.

The previous prime is 80068837021. The next prime is 80068837039. The reversal of 80068837028 is 82073886008.

It can be written as a sum of positive squares in only one way, i.e., 62824419904 + 17244417124 = 250648^2 + 131318^2 .

It is a super-2 number, since 2×80068837028² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80068837021) 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 as a sum of consecutive naturals, namely, 10008604625 + ... + 10008604632.

It is an arithmetic number, because the mean of its divisors is an integer number (23353410801).

Almost surely, 2^80068837028 is an apocalyptic number.

It is an amenable number.

80068837028 is a deficient number, since it is larger than the sum of its proper divisors (60051627778).

80068837028 is a wasteful number, since it uses less digits than its factorization.

80068837028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20017209261 (or 20017209259 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 80068837028 in words is "eighty billion, sixty-eight million, eight hundred thirty-seven thousand, twenty-eight".