88609089 has 4 divisors (see below), whose sum is σ = 118145456. Its totient is φ = 59072724.

The previous prime is 88609051. The next prime is 88609097. The reversal of 88609089 is 98090688.

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 not a de Polignac number, because 88609089 - 2⁹ = 88608577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88609009) 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, 14768179 + ... + 14768184.

It is an arithmetic number, because the mean of its divisors is an integer number (29536364).

Almost surely, 2^88609089 is an apocalyptic number.

It is an amenable number.

88609089 is a deficient number, since it is larger than the sum of its proper divisors (29536367).

88609089 is a wasteful number, since it uses less digits than its factorization.

88609089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29536366.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 88609089 is about 9413.2400904258. The cubic root of 88609089 is about 445.8198730343.

The spelling of 88609089 in words is "eighty-eight million, six hundred nine thousand, eighty-nine".