80855455808 has 28 divisors (see below), whose sum is σ = 164360905212. Its totient is φ = 39441684480.

The previous prime is 80855455789. The next prime is 80855455817.

80855455808 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 10159027264 + 70696428544 = 100792^2 + 265888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15404285 + ... + 15409532.

It is an arithmetic number, because the mean of its divisors is an integer number (5870032329).

Almost surely, 2^80855455808 is an apocalyptic number.

It is an amenable number.

80855455808 is an abundant number, since it is smaller than the sum of its proper divisors (83505449404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80855455808 is a wasteful number, since it uses less digits than its factorization.

80855455808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30813870 (or 30813860 counting only the distinct ones).

The product of its (nonzero) digits is 10240000, while the sum is 56.

The spelling of 80855455808 in words is "eighty billion, eight hundred fifty-five million, four hundred fifty-five thousand, eight hundred eight".