87065377659 has 16 divisors (see below), whose sum is σ = 138907725600. Its totient is φ = 53578693728.

The previous prime is 87065377631. The next prime is 87065377673. The reversal of 87065377659 is 95677356078.

It is not a de Polignac number, because 87065377659 - 2⁵ = 87065377627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87065377596 and 87065377605.

It is not an unprimeable number, because it can be changed into a prime (87065377699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124024404 + ... + 124025105.

It is an arithmetic number, because the mean of its divisors is an integer number (8681732850).

Almost surely, 2^87065377659 is an apocalyptic number.

87065377659 is a deficient number, since it is larger than the sum of its proper divisors (51842347941).

87065377659 is a wasteful number, since it uses less digits than its factorization.

87065377659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248049531 (or 248049525 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 87065377659 in words is "eighty-seven billion, sixty-five million, three hundred seventy-seven thousand, six hundred fifty-nine".