88709 has 4 divisors (see below), whose sum is σ = 90816. Its totient is φ = 86604.

The previous prime is 88681. The next prime is 88721. The reversal of 88709 is 90788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88709 - 2¹⁶ = 23173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88729) 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, 989 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (22704).

2⁸⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

88709 is a deficient number, since it is larger than the sum of its proper divisors (2107).

88709 is a wasteful number, since it uses less digits than its factorization.

88709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 88709 is about 297.8405613747. The cubic root of 88709 is about 44.5987371196.

It can be divided in two parts, 88 and 709, that added together give a palindrome (797).

The spelling of 88709 in words is "eighty-eight thousand, seven hundred nine".