88809065 has 8 divisors (see below), whose sum is σ = 109451400. Its totient is φ = 69126912.

The previous prime is 88809053. The next prime is 88809067. The reversal of 88809065 is 56090888.

It can be written as a sum of positive squares in 4 ways, for example, as 29888089 + 58920976 = 5467^2 + 7676^2 .

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 88809065 - 2²⁴ = 72031849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88809067) 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, 239840 + ... + 240209.

It is an arithmetic number, because the mean of its divisors is an integer number (13681425).

Almost surely, 2^88809065 is an apocalyptic number.

It is an amenable number.

88809065 is a deficient number, since it is larger than the sum of its proper divisors (20642335).

88809065 is a wasteful number, since it uses less digits than its factorization.

88809065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480091.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 88809065 is about 9423.8561640127. The cubic root of 88809065 is about 446.1550015253.

The spelling of 88809065 in words is "eighty-eight million, eight hundred nine thousand, sixty-five".