80726713400249 has 8 divisors (see below), whose sum is σ = 92260380123648. Its totient is φ = 69193366450560.

The previous prime is 80726713400231. The next prime is 80726713400273. The reversal of 80726713400249 is 94200431762708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80726713400249 - 2²⁴ = 80726696623033 is a prime.

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 80726713400249.

It is not an unprimeable number, because it can be changed into a prime (80726713400219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79402217 + ... + 80412470.

It is an arithmetic number, because the mean of its divisors is an integer number (11532547515456).

Almost surely, 2^{80726713400249} is an apocalyptic number.

It is an amenable number.

80726713400249 is a deficient number, since it is larger than the sum of its proper divisors (11533666723399).

80726713400249 is a wasteful number, since it uses less digits than its factorization.

80726713400249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159886855.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 80726713400249 in words is "eighty trillion, seven hundred twenty-six billion, seven hundred thirteen million, four hundred thousand, two hundred forty-nine".