80313187261 has 8 divisors (see below), whose sum is σ = 88734775104. Its totient is φ = 72302408640.

The previous prime is 80313187259. The next prime is 80313187289. The reversal of 80313187261 is 16278131308.

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 80313187261 - 2¹ = 80313187259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80313187561) 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, 102701895 + ... + 102702676.

It is an arithmetic number, because the mean of its divisors is an integer number (11091846888).

Almost surely, 2^80313187261 is an apocalyptic number.

It is an amenable number.

80313187261 is a deficient number, since it is larger than the sum of its proper divisors (8421587843).

80313187261 is a wasteful number, since it uses less digits than its factorization.

80313187261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205404611.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 80313187261 in words is "eighty billion, three hundred thirteen million, one hundred eighty-seven thousand, two hundred sixty-one".