85886776163 has 4 divisors (see below), whose sum is σ = 85887362808. Its totient is φ = 85886189520.

The previous prime is 85886776153. The next prime is 85886776169. The reversal of 85886776163 is 36167768858.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85886776163 - 2¹⁶ = 85886710627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85886776163.

It is not an unprimeable number, because it can be changed into a prime (85886776169) 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, 128228 + ... + 433838.

It is an arithmetic number, because the mean of its divisors is an integer number (21471840702).

Almost surely, 2^85886776163 is an apocalyptic number.

85886776163 is a deficient number, since it is larger than the sum of its proper divisors (586645).

85886776163 is a wasteful number, since it uses less digits than its factorization.

85886776163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586644.

The product of its digits is 81285120, while the sum is 65.

The spelling of 85886776163 in words is "eighty-five billion, eight hundred eighty-six million, seven hundred seventy-six thousand, one hundred sixty-three".