87065716309 has 8 divisors (see below), whose sum is σ = 102286995552. Its totient is φ = 73062139440.

The previous prime is 87065716277. The next prime is 87065716327. The reversal of 87065716309 is 90361756078.

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 87065716309 - 2⁵ = 87065716277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87065710309) 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, 304425439 + ... + 304425724.

It is an arithmetic number, because the mean of its divisors is an integer number (12785874444).

Almost surely, 2^87065716309 is an apocalyptic number.

It is an amenable number.

87065716309 is a deficient number, since it is larger than the sum of its proper divisors (15221279243).

87065716309 is a wasteful number, since it uses less digits than its factorization.

87065716309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608851187.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 87065716309 in words is "eighty-seven billion, sixty-five million, seven hundred sixteen thousand, three hundred nine".