88138798 has 8 divisors (see below), whose sum is σ = 144227160. Its totient is φ = 40063080.

The previous prime is 88138793. The next prime is 88138819. The reversal of 88138798 is 89783188.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88138793) 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, 2003133 + ... + 2003176.

It is an arithmetic number, because the mean of its divisors is an integer number (18028395).

Almost surely, 2^88138798 is an apocalyptic number.

88138798 is a deficient number, since it is larger than the sum of its proper divisors (56088362).

88138798 is a wasteful number, since it uses less digits than its factorization.

88138798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006322.

The product of its digits is 774144, while the sum is 52.

The square root of 88138798 is about 9388.2265630949. The cubic root of 88138798 is about 445.0297467806.

The spelling of 88138798 in words is "eighty-eight million, one hundred thirty-eight thousand, seven hundred ninety-eight".