88657009 has 8 divisors (see below), whose sum is σ = 101612160. Its totient is φ = 75774336.

The previous prime is 88656977. The next prime is 88657067. The reversal of 88657009 is 90075688.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88657009 - 2⁵ = 88656977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88657109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15469 + ... + 20410.

It is an arithmetic number, because the mean of its divisors is an integer number (12701520).

Almost surely, 2^88657009 is an apocalyptic number.

It is an amenable number.

88657009 is a deficient number, since it is larger than the sum of its proper divisors (12955151).

88657009 is a wasteful number, since it uses less digits than its factorization.

88657009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36239.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 88657009 is about 9415.7850973777. The cubic root of 88657009 is about 445.9002253568.

The spelling of 88657009 in words is "eighty-eight million, six hundred fifty-seven thousand, nine".