88668709 has 4 divisors (see below), whose sum is σ = 90730816. Its totient is φ = 86606604.

The previous prime is 88668673. The next prime is 88668757. The reversal of 88668709 is 90786688.

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 not a de Polignac number, because 88668709 - 2⁷ = 88668581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88668409) 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, 1030989 + ... + 1031074.

It is an arithmetic number, because the mean of its divisors is an integer number (22682704).

Almost surely, 2^88668709 is an apocalyptic number.

It is an amenable number.

88668709 is a deficient number, since it is larger than the sum of its proper divisors (2062107).

88668709 is a wasteful number, since it uses less digits than its factorization.

88668709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062106.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 88668709 is about 9416.4063739837. The cubic root of 88668709 is about 445.9198395352.

The spelling of 88668709 in words is "eighty-eight million, six hundred sixty-eight thousand, seven hundred nine".