85001751685 has 4 divisors (see below), whose sum is σ = 102002102028. Its totient is φ = 68001401344.

The previous prime is 85001751673. The next prime is 85001751691. The reversal of 85001751685 is 58615710058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32579528004 + 52422223681 = 180498^2 + 228959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85001751685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500175164 + ... + 8500175173.

It is an arithmetic number, because the mean of its divisors is an integer number (25500525507).

Almost surely, 2^85001751685 is an apocalyptic number.

It is an amenable number.

85001751685 is a deficient number, since it is larger than the sum of its proper divisors (17000350343).

85001751685 is a wasteful number, since it uses less digits than its factorization.

85001751685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000350342.

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 85001751685 in words is "eighty-five billion, one million, seven hundred fifty-one thousand, six hundred eighty-five".