88585909 has 4 divisors (see below), whose sum is σ = 88617760. Its totient is φ = 88554060.

The previous prime is 88585907. The next prime is 88585921. The reversal of 88585909 is 90958588.

It is a happy number.

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 88585909 - 2¹ = 88585907 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 (88585907) 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, 11307 + ... + 17464.

It is an arithmetic number, because the mean of its divisors is an integer number (22154440).

Almost surely, 2^88585909 is an apocalyptic number.

It is an amenable number.

88585909 is a deficient number, since it is larger than the sum of its proper divisors (31851).

88585909 is a wasteful number, since it uses less digits than its factorization.

88585909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31850.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The square root of 88585909 is about 9412.0087654018. The cubic root of 88585909 is about 445.7809943819.

The spelling of 88585909 in words is "eighty-eight million, five hundred eighty-five thousand, nine hundred nine".