85518659705 has 8 divisors (see below), whose sum is σ = 102656356992. Its totient is φ = 68392284208.

The previous prime is 85518659687. The next prime is 85518659717. The reversal of 85518659705 is 50795681558.

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 85518659705 - 2⁸ = 85518659449 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, 2813819 + ... + 2844048.

It is an arithmetic number, because the mean of its divisors is an integer number (12832044624).

Almost surely, 2^85518659705 is an apocalyptic number.

It is an amenable number.

85518659705 is a deficient number, since it is larger than the sum of its proper divisors (17137697287).

85518659705 is a wasteful number, since it uses less digits than its factorization.

85518659705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660895.

The product of its (nonzero) digits is 15120000, while the sum is 59.

The spelling of 85518659705 in words is "eighty-five billion, five hundred eighteen million, six hundred fifty-nine thousand, seven hundred five".