80689150805796 has 81 divisors (see below), whose sum is σ = 220862606249649. Its totient is φ = 24827215432032.

The previous prime is 80689150805719. The next prime is 80689150805807. The reversal of 80689150805796 is 69750805198608.

The square root of 80689150805796 is 8982714.

It is a perfect power (a square), and thus also a powerful number.

80689150805796 is a `hidden beast` number, since 8 + 0 + 68 + 9 + 1 + 508 + 0 + 57 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11936264912100 + 68752885893696 = 3454890^2 + 8291736^2 .

It is a super-2 number, since 2×80689150805796² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 700594111 + ... + 700709273.

Almost surely, 2^{80689150805796} is an apocalyptic number.

80689150805796 is the 8982714-th square number.

It is an amenable number.

80689150805796 is an abundant number, since it is smaller than the sum of its proper divisors (140173455443853).

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

80689150805796 is an equidigital number, since it uses as much as digits as its factorization.

80689150805796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230362 (or 115181 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 72.

The spelling of 80689150805796 in words is "eighty trillion, six hundred eighty-nine billion, one hundred fifty million, eight hundred five thousand, seven hundred ninety-six".