80736889122 has 18 divisors (see below), whose sum is σ = 174932538417. Its totient is φ = 26911894536.

The previous prime is 80736889109. The next prime is 80736889133. The reversal of 80736889122 is 22198863708.

It is a happy number.

80736889122 is a `hidden beast` number, since 80 + 7 + 368 + 89 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73951907481 + 6784981641 = 271941^2 + 82371^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=200919.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1172028 + ... + 1239000.

Almost surely, 2^80736889122 is an apocalyptic number.

80736889122 is an abundant number, since it is smaller than the sum of its proper divisors (94195649295).

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

80736889122 is an frugal number, since it uses more digits than its factorization.

80736889122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133954 (or 66978 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 80736889122 in words is "eighty billion, seven hundred thirty-six million, eight hundred eighty-nine thousand, one hundred twenty-two".