88885681 has 4 divisors (see below), whose sum is σ = 90137664. Its totient is φ = 87633700.

The previous prime is 88885679. The next prime is 88885703. The reversal of 88885681 is 18658888.

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 88885681 - 2¹ = 88885679 is a prime.

It is a super-2 number, since 2×88885681² = 15801328573667522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88885631) 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, 625885 + ... + 626026.

It is an arithmetic number, because the mean of its divisors is an integer number (22534416).

Almost surely, 2^88885681 is an apocalyptic number.

It is an amenable number.

88885681 is a deficient number, since it is larger than the sum of its proper divisors (1251983).

88885681 is a wasteful number, since it uses less digits than its factorization.

88885681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251982.

The product of its digits is 983040, while the sum is 52.

The square root of 88885681 is about 9427.9202902867. The cubic root of 88885681 is about 446.2832646572.

The spelling of 88885681 in words is "eighty-eight million, eight hundred eighty-five thousand, six hundred eighty-one".