88718609 has 4 divisors (see below), whose sum is σ = 101392704. Its totient is φ = 76044516.

The previous prime is 88718603. The next prime is 88718611. The reversal of 88718609 is 90681788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88718609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88718603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6337037 + ... + 6337050.

It is an arithmetic number, because the mean of its divisors is an integer number (25348176).

Almost surely, 2^88718609 is an apocalyptic number.

It is an amenable number.

88718609 is a deficient number, since it is larger than the sum of its proper divisors (12674095).

88718609 is a wasteful number, since it uses less digits than its factorization.

88718609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674094.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 88718609 is about 9419.0556320684. The cubic root of 88718609 is about 446.0034738011.

The spelling of 88718609 in words is "eighty-eight million, seven hundred eighteen thousand, six hundred nine".