80353540089 has 27 divisors (see below), whose sum is σ = 118076369229. Its totient is φ = 52656829920.

The previous prime is 80353540087. The next prime is 80353540109. The reversal of 80353540089 is 98004535308.

It is a happy number.

The square root of 80353540089 is 283467.

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

It can be written as a sum of positive squares in 4 ways, for example, as 38835402489 + 41518137600 = 197067^2 + 203760^2 .

It is not a de Polignac number, because 80353540089 - 2¹ = 80353540087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80353540087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51873687 + ... + 51875235.

Almost surely, 2^80353540089 is an apocalyptic number.

80353540089 is the 283467-th square number.

80353540089 is the 141734-th centered octagonal number.

It is an amenable number.

80353540089 is a deficient number, since it is larger than the sum of its proper divisors (37722829140).

80353540089 is an frugal number, since it uses more digits than its factorization.

80353540089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 80353540089 in words is "eighty billion, three hundred fifty-three million, five hundred forty thousand, eighty-nine".