80206269085 has 8 divisors (see below), whose sum is σ = 96364759896. Its totient is φ = 64086857280.

The previous prime is 80206269083. The next prime is 80206269089. The reversal of 80206269085 is 58096260208.

It can be written as a sum of positive squares in 4 ways, for example, as 84437721 + 80121831364 = 9189^2 + 283058^2 .

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

It is not a de Polignac number, because 80206269085 - 2¹ = 80206269083 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 (80206269083) 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, 9765234 + ... + 9773443.

It is an arithmetic number, because the mean of its divisors is an integer number (12045594987).

Almost surely, 2^80206269085 is an apocalyptic number.

It is an amenable number.

80206269085 is a deficient number, since it is larger than the sum of its proper divisors (16158490811).

80206269085 is a wasteful number, since it uses less digits than its factorization.

80206269085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539503.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 80206269085 in words is "eighty billion, two hundred six million, two hundred sixty-nine thousand, eighty-five".