85365578863 has 4 divisors (see below), whose sum is σ = 90387083520. Its totient is φ = 80344074208.

The previous prime is 85365578827. The next prime is 85365578867. The reversal of 85365578863 is 36887556358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85365578863 - 2²¹ = 85363481711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85365578795 and 85365578804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85365578867) 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, 2510752303 + ... + 2510752336.

It is an arithmetic number, because the mean of its divisors is an integer number (22596770880).

Almost surely, 2^85365578863 is an apocalyptic number.

85365578863 is a deficient number, since it is larger than the sum of its proper divisors (5021504657).

85365578863 is a wasteful number, since it uses less digits than its factorization.

85365578863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021504656.

The product of its digits is 145152000, while the sum is 64.

The spelling of 85365578863 in words is "eighty-five billion, three hundred sixty-five million, five hundred seventy-eight thousand, eight hundred sixty-three".