85865325238661 has 8 divisors (see below), whose sum is σ = 87277118011104. Its totient is φ = 84453666804720.

The previous prime is 85865325238621. The next prime is 85865325238669. The reversal of 85865325238661 is 16683252356858.

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 85865325238661 - 2⁶ = 85865325238597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85865325238591 and 85865325238600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85865325238669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32295371 + ... + 34852856.

It is an arithmetic number, because the mean of its divisors is an integer number (10909639751388).

Almost surely, 2^{85865325238661} is an apocalyptic number.

It is an amenable number.

85865325238661 is a deficient number, since it is larger than the sum of its proper divisors (1411792772443).

85865325238661 is a wasteful number, since it uses less digits than its factorization.

85865325238661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67169251.

The product of its digits is 497664000, while the sum is 68.

The spelling of 85865325238661 in words is "eighty-five trillion, eight hundred sixty-five billion, three hundred twenty-five million, two hundred thirty-eight thousand, six hundred sixty-one".