88805 has 4 divisors (see below), whose sum is σ = 106572. Its totient is φ = 71040.

The previous prime is 88801. The next prime is 88807. The reversal of 88805 is 50888.

It is a Cunningham number, because it is equal to 298²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31684 + 57121 = 178^2 + 239^2 .

It is not a de Polignac number, because 88805 - 2² = 88801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88801) 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, 8876 + ... + 8885.

It is an arithmetic number, because the mean of its divisors is an integer number (26643).

2⁸⁸⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

88805 is a deficient number, since it is larger than the sum of its proper divisors (17767).

88805 is a wasteful number, since it uses less digits than its factorization.

88805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17766.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 88805 is about 298.0016778476. The cubic root of 88805 is about 44.6148194233.

The spelling of 88805 in words is "eighty-eight thousand, eight hundred five".