88881165 has 16 divisors (see below), whose sum is σ = 158011200. Its totient is φ = 47403216.

The previous prime is 88881157. The next prime is 88881173. The reversal of 88881165 is 56118888.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88881157) and next prime (88881173).

It is not a de Polignac number, because 88881165 - 2³ = 88881157 is a prime.

It is a super-2 number, since 2×88881165² = 15799722983514450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 88881165.

It is a congruent number.

It is an unprimeable number.

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, 329055 + ... + 329324.

It is an arithmetic number, because the mean of its divisors is an integer number (9875700).

Almost surely, 2^88881165 is an apocalyptic number.

It is an amenable number.

88881165 is a deficient number, since it is larger than the sum of its proper divisors (69130035).

88881165 is a wasteful number, since it uses less digits than its factorization.

88881165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658393 (or 658387 counting only the distinct ones).

The product of its digits is 122880, while the sum is 45.

The square root of 88881165 is about 9427.6807858561. The cubic root of 88881165 is about 446.2757064494.

The spelling of 88881165 in words is "eighty-eight million, eight hundred eighty-one thousand, one hundred sixty-five".