85642808101 has 8 divisors (see below), whose sum is σ = 86205267680. Its totient is φ = 85080563568.

The previous prime is 85642808087. The next prime is 85642808113. The reversal of 85642808101 is 10180824658.

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

It is a cyclic number.

It is not a de Polignac number, because 85642808101 - 2¹³ = 85642799909 is a prime.

It is a super-2 number, since 2×85642808101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85642808191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788470 + ... + 890488.

It is an arithmetic number, because the mean of its divisors is an integer number (10775658460).

Almost surely, 2^85642808101 is an apocalyptic number.

It is an amenable number.

85642808101 is a deficient number, since it is larger than the sum of its proper divisors (562459579).

85642808101 is a wasteful number, since it uses less digits than its factorization.

85642808101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107523.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 85642808101 in words is "eighty-five billion, six hundred forty-two million, eight hundred eight thousand, one hundred one".