88138318 has 4 divisors (see below), whose sum is σ = 132207480. Its totient is φ = 44069158.

The previous prime is 88138307. The next prime is 88138343. The reversal of 88138318 is 81383188.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 22034578 + ... + 22034581.

It is an arithmetic number, because the mean of its divisors is an integer number (33051870).

Almost surely, 2^88138318 is an apocalyptic number.

88138318 is a deficient number, since it is larger than the sum of its proper divisors (44069162).

88138318 is a wasteful number, since it uses less digits than its factorization.

88138318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44069161.

The product of its digits is 36864, while the sum is 40.

The square root of 88138318 is about 9388.2009991265. The cubic root of 88138318 is about 445.0289389083.

The spelling of 88138318 in words is "eighty-eight million, one hundred thirty-eight thousand, three hundred eighteen".