80790105 has 32 divisors (see below), whose sum is σ = 141419520. Its totient is φ = 39058880.

The previous prime is 80790079. The next prime is 80790107. The reversal of 80790105 is 50109708.

It is not a de Polignac number, because 80790105 - 2¹⁰ = 80789081 is a prime.

It is a super-2 number, since 2×80790105² = 13054082131822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80790107) 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 31 ways as a sum of consecutive naturals, for example, 108364 + ... + 109106.

It is an arithmetic number, because the mean of its divisors is an integer number (4419360).

Almost surely, 2^80790105 is an apocalyptic number.

It is an amenable number.

80790105 is a deficient number, since it is larger than the sum of its proper divisors (60629415).

80790105 is a wasteful number, since it uses less digits than its factorization.

80790105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 80790105 is about 8988.3316026947. The cubic root of 80790105 is about 432.3008182150.

The spelling of 80790105 in words is "eighty million, seven hundred ninety thousand, one hundred five".