80699 has 8 divisors (see below), whose sum is σ = 88128. Its totient is φ = 73600.

The previous prime is 80687. The next prime is 80701. The reversal of 80699 is 99608.

It is a happy number.

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 80699 - 2⁴ = 80683 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 80699.

It is not an unprimeable number, because it can be changed into a prime (80629) 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 7 ways as a sum of consecutive naturals, for example, 749 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (11016).

2⁸⁰⁶⁹⁹ is an apocalyptic number.

80699 is a deficient number, since it is larger than the sum of its proper divisors (7429).

80699 is a wasteful number, since it uses less digits than its factorization.

80699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 80699 is about 284.0756941380. The cubic root of 80699 is about 43.2138258787.

The spelling of 80699 in words is "eighty thousand, six hundred ninety-nine".