88242599138 has 16 divisors (see below), whose sum is σ = 132878241720. Its totient is φ = 43949907456.

The previous prime is 88242599087. The next prime is 88242599143. The reversal of 88242599138 is 83199524288.

It can be written as a sum of positive squares in 4 ways, for example, as 78485703409 + 9756895729 = 280153^2 + 98777^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4691120 + ... + 4709892.

Almost surely, 2^88242599138 is an apocalyptic number.

88242599138 is a deficient number, since it is larger than the sum of its proper divisors (44635642582).

88242599138 is a wasteful number, since it uses less digits than its factorization.

88242599138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781.

The product of its digits is 9953280, while the sum is 59.

The spelling of 88242599138 in words is "eighty-eight billion, two hundred forty-two million, five hundred ninety-nine thousand, one hundred thirty-eight".