80112605 has 8 divisors (see below), whose sum is σ = 96384600. Its totient is φ = 63923776.

The previous prime is 80112583. The next prime is 80112629. The reversal of 80112605 is 50621108.

It can be written as a sum of positive squares in 4 ways, for example, as 3147076 + 76965529 = 1774^2 + 8773^2 .

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 80112605 - 2⁶ = 80112541 is a prime.

It is a Curzon 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, 18650 + ... + 22539.

It is an arithmetic number, because the mean of its divisors is an integer number (12048075).

Almost surely, 2^80112605 is an apocalyptic number.

It is an amenable number.

80112605 is a deficient number, since it is larger than the sum of its proper divisors (16271995).

80112605 is a wasteful number, since it uses less digits than its factorization.

80112605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41583.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 80112605 is about 8950.5645073370. The cubic root of 80112605 is about 431.0890099916.

The spelling of 80112605 in words is "eighty million, one hundred twelve thousand, six hundred five".