80837 has 4 divisors (see below), whose sum is σ = 81420. Its totient is φ = 80256.

The previous prime is 80833. The next prime is 80849. The reversal of 80837 is 73808.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 57121 + 23716 = 239^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 80837 - 2² = 80833 is a prime.

It is a Duffinian number.

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 80837.

It is not an unprimeable number, because it can be changed into a prime (80831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (20355).

2⁸⁰⁸³⁷ is an apocalyptic number.

It is an amenable number.

80837 is a deficient number, since it is larger than the sum of its proper divisors (583).

80837 is a wasteful number, since it uses less digits than its factorization.

80837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 80837 is about 284.3184833949. The cubic root of 80837 is about 43.2384445724.

The spelling of 80837 in words is "eighty thousand, eight hundred thirty-seven".