86797 has 8 divisors (see below), whose sum is σ = 93240. Its totient is φ = 80640.

The previous prime is 86783. The next prime is 86813. The reversal of 86797 is 79768.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 84681 = 46^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86797 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (11655).

2⁸⁶⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

86797 is a deficient number, since it is larger than the sum of its proper divisors (6443).

86797 is a wasteful number, since it uses less digits than its factorization.

86797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143.

The product of its digits is 21168, while the sum is 37.

The square root of 86797 is about 294.6133058774. The cubic root of 86797 is about 44.2759856733.

The spelling of 86797 in words is "eighty-six thousand, seven hundred ninety-seven".