88511 has 4 divisors (see below), whose sum is σ = 90024. Its totient is φ = 87000.

The previous prime is 88499. The next prime is 88513. The reversal of 88511 is 11588.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88511 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88513) 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, 665 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (22506).

2⁸⁸⁵¹¹ is an apocalyptic number.

88511 is a deficient number, since it is larger than the sum of its proper divisors (1513).

88511 is a wasteful number, since it uses less digits than its factorization.

88511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 320, while the sum is 23.

The square root of 88511 is about 297.5079830862. The cubic root of 88511 is about 44.5655306878.

Subtracting from 88511 its sum of digits (23), we obtain a palindrome (88488).

Adding to 88511 its product of digits (320), we get a triangular number (88831 = T₄₂₁).

The spelling of 88511 in words is "eighty-eight thousand, five hundred eleven".