87965065 has 8 divisors (see below), whose sum is σ = 105625728. Its totient is φ = 70326960.

The previous prime is 87965039. The next prime is 87965077. The reversal of 87965065 is 56056978.

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

It is not a de Polignac number, because 87965065 - 2⁹ = 87964553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (13203216).

Almost surely, 2^87965065 is an apocalyptic number.

It is an amenable number.

87965065 is a deficient number, since it is larger than the sum of its proper divisors (17660663).

87965065 is a wasteful number, since it uses less digits than its factorization.

87965065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11279.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 87965065 is about 9378.9692930513. The cubic root of 87965065 is about 444.7371506684.

It can be divided in two parts, 8796 and 5065, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 87965065 in words is "eighty-seven million, nine hundred sixty-five thousand, sixty-five".