88709638 has 8 divisors (see below), whose sum is σ = 140891832. Its totient is φ = 41745696.

The previous prime is 88709611. The next prime is 88709639. The reversal of 88709638 is 83690788.

It is a happy number.

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 = 88709591 and 88709600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88709639) 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, 1304520 + ... + 1304587.

It is an arithmetic number, because the mean of its divisors is an integer number (17611479).

Almost surely, 2^88709638 is an apocalyptic number.

88709638 is a deficient number, since it is larger than the sum of its proper divisors (52182194).

88709638 is a wasteful number, since it uses less digits than its factorization.

88709638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609126.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 88709638 is about 9418.5794045599. The cubic root of 88709638 is about 445.9884403822.

The spelling of 88709638 in words is "eighty-eight million, seven hundred nine thousand, six hundred thirty-eight".