88681129 has 8 divisors (see below), whose sum is σ = 95438088. Its totient is φ = 82095360.

The previous prime is 88681121. The next prime is 88681139. The reversal of 88681129 is 92118688.

It can be written as a sum of positive squares in 4 ways, for example, as 14807104 + 73874025 = 3848^2 + 8595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88681129 - 2³ = 88681121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88681121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41722 + ... + 43795.

It is an arithmetic number, because the mean of its divisors is an integer number (11929761).

Almost surely, 2^88681129 is an apocalyptic number.

It is an amenable number.

88681129 is a deficient number, since it is larger than the sum of its proper divisors (6756959).

88681129 is a wasteful number, since it uses less digits than its factorization.

88681129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85595.

The product of its digits is 55296, while the sum is 43.

The square root of 88681129 is about 9417.0658381473. The cubic root of 88681129 is about 445.9406588520.

The spelling of 88681129 in words is "eighty-eight million, six hundred eighty-one thousand, one hundred twenty-nine".