88858138 has 8 divisors (see below), whose sum is σ = 133683732. Its totient is φ = 44296896.

The previous prime is 88858109. The next prime is 88858139. The reversal of 88858138 is 83185888.

It can be written as a sum of positive squares in 2 ways, for example, as 79512889 + 9345249 = 8917^2 + 3057^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 88858091 and 88858100.

It is not an unprimeable number, because it can be changed into a prime (88858139) 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, 65245 + ... + 66592.

Almost surely, 2^88858138 is an apocalyptic number.

88858138 is a deficient number, since it is larger than the sum of its proper divisors (44825594).

88858138 is a wasteful number, since it uses less digits than its factorization.

88858138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132176.

The product of its digits is 491520, while the sum is 49.

The square root of 88858138 is about 9426.4594625978. The cubic root of 88858138 is about 446.2371633067.

The spelling of 88858138 in words is "eighty-eight million, eight hundred fifty-eight thousand, one hundred thirty-eight".