85819880066745 has 32 divisors (see below), whose sum is σ = 149996307907584. Its totient is φ = 41553636555200.

The previous prime is 85819880066681. The next prime is 85819880066747. The reversal of 85819880066745 is 54766008891858.

It is not a de Polignac number, because 85819880066745 - 2⁶ = 85819880066681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85819880066747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349891191 + ... + 350136380.

It is an arithmetic number, because the mean of its divisors is an integer number (4687384622112).

Almost surely, 2^{85819880066745} is an apocalyptic number.

It is an amenable number.

85819880066745 is a deficient number, since it is larger than the sum of its proper divisors (64176427840839).

85819880066745 is a wasteful number, since it uses less digits than its factorization.

85819880066745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700028333.

The product of its (nonzero) digits is 928972800, while the sum is 75.

The spelling of 85819880066745 in words is "eighty-five trillion, eight hundred nineteen billion, eight hundred eighty million, sixty-six thousand, seven hundred forty-five".