88441681 has 4 divisors (see below), whose sum is σ = 88984432. Its totient is φ = 87898932.

The previous prime is 88441673. The next prime is 88441687. The reversal of 88441681 is 18614488.

It is a happy number.

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 88441681 - 2³ = 88441673 is a prime.

It is a super-2 number, since 2×88441681² = 15643861876211522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88441687) 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 3 ways as a sum of consecutive naturals, for example, 271131 + ... + 271456.

It is an arithmetic number, because the mean of its divisors is an integer number (22246108).

Almost surely, 2^88441681 is an apocalyptic number.

It is an amenable number.

88441681 is a deficient number, since it is larger than the sum of its proper divisors (542751).

88441681 is a wasteful number, since it uses less digits than its factorization.

88441681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542750.

The product of its digits is 49152, while the sum is 40.

The square root of 88441681 is about 9404.3437304259. The cubic root of 88441681 is about 445.5389354724.

The spelling of 88441681 in words is "eighty-eight million, four hundred forty-one thousand, six hundred eighty-one".