88671709 has 4 divisors (see below), whose sum is σ = 101339104. Its totient is φ = 76004316.

The previous prime is 88671701. The next prime is 88671757. The reversal of 88671709 is 90717688.

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 88671709 - 2³ = 88671701 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 (88671701) 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, 6333687 + ... + 6333700.

It is an arithmetic number, because the mean of its divisors is an integer number (25334776).

Almost surely, 2^88671709 is an apocalyptic number.

It is an amenable number.

88671709 is a deficient number, since it is larger than the sum of its proper divisors (12667395).

88671709 is a wasteful number, since it uses less digits than its factorization.

88671709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12667394.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 88671709 is about 9416.5656690749. The cubic root of 88671709 is about 445.9248685337.

The spelling of 88671709 in words is "eighty-eight million, six hundred seventy-one thousand, seven hundred nine".