87648065 has 8 divisors (see below), whose sum is σ = 105305280. Its totient is φ = 70033392.

The previous prime is 87648059. The next prime is 87648089. The reversal of 87648065 is 56084678.

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 87648065 - 2⁴ = 87648049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5909 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (13163160).

Almost surely, 2^87648065 is an apocalyptic number.

It is an amenable number.

87648065 is a deficient number, since it is larger than the sum of its proper divisors (17657215).

87648065 is a wasteful number, since it uses less digits than its factorization.

87648065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21271.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 87648065 is about 9362.0545287880. The cubic root of 87648065 is about 444.2022740531.

The spelling of 87648065 in words is "eighty-seven million, six hundred forty-eight thousand, sixty-five".