80758105 has 4 divisors (see below), whose sum is σ = 96909732. Its totient is φ = 64606480.

The previous prime is 80758103. The next prime is 80758123. The reversal of 80758105 is 50185708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45522009 + 35236096 = 6747^2 + 5936^2 .

It is not a de Polignac number, because 80758105 - 2¹ = 80758103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80758103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8075806 + ... + 8075815.

It is an arithmetic number, because the mean of its divisors is an integer number (24227433).

Almost surely, 2^80758105 is an apocalyptic number.

It is an amenable number.

80758105 is a deficient number, since it is larger than the sum of its proper divisors (16151627).

80758105 is a wasteful number, since it uses less digits than its factorization.

80758105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151626.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 80758105 is about 8986.5513407536. The cubic root of 80758105 is about 432.2437342729.

The spelling of 80758105 in words is "eighty million, seven hundred fifty-eight thousand, one hundred five".