85862877165385 has 4 divisors (see below), whose sum is σ = 103035452598468. Its totient is φ = 68690301732304.

The previous prime is 85862877165383. The next prime is 85862877165391. The reversal of 85862877165385 is 58356177826858.

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 65338461734841 + 20524415430544 = 8083221^2 + 4530388^2 .

It is a cyclic number.

It is not a de Polignac number, because 85862877165385 - 2¹ = 85862877165383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85862877165383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8586287716534 + ... + 8586287716543.

It is an arithmetic number, because the mean of its divisors is an integer number (25758863149617).

Almost surely, 2^{85862877165385} is an apocalyptic number.

It is an amenable number.

85862877165385 is a deficient number, since it is larger than the sum of its proper divisors (17172575433083).

85862877165385 is a wasteful number, since it uses less digits than its factorization.

85862877165385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17172575433082.

The product of its digits is 5419008000, while the sum is 79.

The spelling of 85862877165385 in words is "eighty-five trillion, eight hundred sixty-two billion, eight hundred seventy-seven million, one hundred sixty-five thousand, three hundred eighty-five".