85642808045 has 8 divisors (see below), whose sum is σ = 102786964224. Its totient is φ = 68503850064.

The previous prime is 85642808039. The next prime is 85642808077. The reversal of 85642808045 is 54080824658.

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 85642808045 - 2¹⁶ = 85642742509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85642807984 and 85642808002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263209 + ... + 1329278.

It is an arithmetic number, because the mean of its divisors is an integer number (12848370528).

Almost surely, 2^85642808045 is an apocalyptic number.

It is an amenable number.

85642808045 is a deficient number, since it is larger than the sum of its proper divisors (17144156179).

85642808045 is a wasteful number, since it uses less digits than its factorization.

85642808045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599099.

The product of its (nonzero) digits is 2457600, while the sum is 50.

The spelling of 85642808045 in words is "eighty-five billion, six hundred forty-two million, eight hundred eight thousand, forty-five".