85486038685 has 4 divisors (see below), whose sum is σ = 102583246428. Its totient is φ = 68388830944.

The previous prime is 85486038683. The next prime is 85486038709. The reversal of 85486038685 is 58683068458.

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 47334964356 + 38151074329 = 217566^2 + 195323^2 .

It is a cyclic number.

It is not a de Polignac number, because 85486038685 - 2¹ = 85486038683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85486038683) 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, 8548603864 + ... + 8548603873.

It is an arithmetic number, because the mean of its divisors is an integer number (25645811607).

Almost surely, 2^85486038685 is an apocalyptic number.

It is an amenable number.

85486038685 is a deficient number, since it is larger than the sum of its proper divisors (17097207743).

85486038685 is a wasteful number, since it uses less digits than its factorization.

85486038685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17097207742.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 85486038685 in words is "eighty-five billion, four hundred eighty-six million, thirty-eight thousand, six hundred eighty-five".