80808123085 has 8 divisors (see below), whose sum is σ = 102673850616. Its totient is φ = 60843763200.

The previous prime is 80808123013. The next prime is 80808123091. The reversal of 80808123085 is 58032180808.

It can be written as a sum of positive squares in 4 ways, for example, as 23979761316 + 56828361769 = 154854^2 + 238387^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-80808123085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475341816 + ... + 475341985.

It is an arithmetic number, because the mean of its divisors is an integer number (12834231327).

Almost surely, 2^80808123085 is an apocalyptic number.

80808123085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80808123085 is a deficient number, since it is larger than the sum of its proper divisors (21865727531).

80808123085 is a wasteful number, since it uses less digits than its factorization.

80808123085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950683823.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 80808123085 in words is "eighty billion, eight hundred eight million, one hundred twenty-three thousand, eighty-five".