80105499 has 12 divisors (see below), whose sum is σ = 115819912. Its totient is φ = 53352000.

The previous prime is 80105497. The next prime is 80105507. The reversal of 80105499 is 99450108.

It is not a de Polignac number, because 80105499 - 2¹ = 80105497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80105491) 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 11 ways as a sum of consecutive naturals, for example, 7104 + ... + 14514.

Almost surely, 2^80105499 is an apocalyptic number.

80105499 is a deficient number, since it is larger than the sum of its proper divisors (35714413).

80105499 is a wasteful number, since it uses less digits than its factorization.

80105499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618 (or 8615 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 80105499 is about 8950.1675403313. The cubic root of 80105499 is about 431.0762637282.

The spelling of 80105499 in words is "eighty million, one hundred five thousand, four hundred ninety-nine".