88960009 has 4 divisors (see below), whose sum is σ = 89066880. Its totient is φ = 88853140.

The previous prime is 88959979. The next prime is 88960019. The reversal of 88960009 is 90006988.

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 a de Polignac number, because none of the positive numbers 2^k-88960009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88960019) 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, 52177 + ... + 53854.

It is an arithmetic number, because the mean of its divisors is an integer number (22266720).

Almost surely, 2^88960009 is an apocalyptic number.

It is an amenable number.

88960009 is a deficient number, since it is larger than the sum of its proper divisors (106871).

88960009 is a wasteful number, since it uses less digits than its factorization.

88960009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106870.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 88960009 is about 9431.8613751475. The cubic root of 88960009 is about 446.4076270226.

The spelling of 88960009 in words is "eighty-eight million, nine hundred sixty thousand, nine".