80854802889 has 8 divisors (see below), whose sum is σ = 123207318720. Its totient is φ = 46202744496.

The previous prime is 80854802887. The next prime is 80854802971. The reversal of 80854802889 is 98820845808.

It is a happy number.

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

It is not a de Polignac number, because 80854802889 - 2¹ = 80854802887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80854802887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925114334 + ... + 1925114375.

It is an arithmetic number, because the mean of its divisors is an integer number (15400914840).

Almost surely, 2^80854802889 is an apocalyptic number.

It is an amenable number.

80854802889 is a deficient number, since it is larger than the sum of its proper divisors (42352515831).

80854802889 is a wasteful number, since it uses less digits than its factorization.

80854802889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850228719.

The product of its (nonzero) digits is 11796480, while the sum is 60.

The spelling of 80854802889 in words is "eighty billion, eight hundred fifty-four million, eight hundred two thousand, eight hundred eighty-nine".