80230612681 has 4 divisors (see below), whose sum is σ = 80248814100. Its totient is φ = 80212411264.

The previous prime is 80230612639. The next prime is 80230612699. The reversal of 80230612681 is 18621603208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43719046281 + 36511566400 = 209091^2 + 191080^2 .

It is a cyclic number.

It is not a de Polignac number, because 80230612681 - 2⁹ = 80230612169 is a prime.

It is a super-2 number, since 2×80230612681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80230612681.

It is not an unprimeable number, because it can be changed into a prime (80230613681) 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, 9094096 + ... + 9102913.

It is an arithmetic number, because the mean of its divisors is an integer number (20062203525).

Almost surely, 2^80230612681 is an apocalyptic number.

It is an amenable number.

80230612681 is a deficient number, since it is larger than the sum of its proper divisors (18201419).

80230612681 is a wasteful number, since it uses less digits than its factorization.

80230612681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18201418.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 80230612681 in words is "eighty billion, two hundred thirty million, six hundred twelve thousand, six hundred eighty-one".