85387873161 has 8 divisors (see below), whose sum is σ = 113952427264. Its totient is φ = 56874283920.

The previous prime is 85387873159. The next prime is 85387873163. The reversal of 85387873161 is 16137878358.

It is an interprime number because it is at equal distance from previous prime (85387873159) and next prime (85387873163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85387873161 - 2¹ = 85387873159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85387873163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737305 + ... + 12744006.

It is an arithmetic number, because the mean of its divisors is an integer number (14244053408).

Almost surely, 2^85387873161 is an apocalyptic number.

It is an amenable number.

85387873161 is a deficient number, since it is larger than the sum of its proper divisors (28564554103).

85387873161 is a wasteful number, since it uses less digits than its factorization.

85387873161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25482431.

The product of its digits is 6773760, while the sum is 57.

The spelling of 85387873161 in words is "eighty-five billion, three hundred eighty-seven million, eight hundred seventy-three thousand, one hundred sixty-one".