88911 has 16 divisors (see below), whose sum is σ = 136800. Its totient is φ = 57024.

The previous prime is 88903. The next prime is 88919. The reversal of 88911 is 11988.

88911 = T₅₀ + T₅₁ + ... + T₈₆.

It is an interprime number because it is at equal distance from previous prime (88903) and next prime (88919).

It is not a de Polignac number, because 88911 - 2³ = 88903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a plaindrome in base 14.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (8550).

2⁸⁸⁹¹¹ is an apocalyptic number.

88911 is a deficient number, since it is larger than the sum of its proper divisors (47889).

88911 is a wasteful number, since it uses less digits than its factorization.

88911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 88911 is about 298.1794761549. The cubic root of 88911 is about 44.6325635086.

It can be divided in two parts, 889 and 11, that multiplied together give a palindrome (9779).

The spelling of 88911 in words is "eighty-eight thousand, nine hundred eleven".