85925058688687 has 4 divisors (see below), whose sum is σ = 86421735328680. Its totient is φ = 85428382048696.

The previous prime is 85925058688663. The next prime is 85925058688747. The reversal of 85925058688687 is 78688685052958.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85925058688687 is a prime.

It is a super-3 number, since 3×85925058688687³ (a number of 43 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (85) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85925058688607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248338319737 + ... + 248338320082.

It is an arithmetic number, because the mean of its divisors is an integer number (21605433832170).

Almost surely, 2^{85925058688687} is an apocalyptic number.

85925058688687 is a deficient number, since it is larger than the sum of its proper divisors (496676639993).

85925058688687 is a wasteful number, since it uses less digits than its factorization.

85925058688687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496676639992.

The product of its (nonzero) digits is 18579456000, while the sum is 85.

The spelling of 85925058688687 in words is "eighty-five trillion, nine hundred twenty-five billion, fifty-eight million, six hundred eighty-eight thousand, six hundred eighty-seven".