80855808 has 144 divisors (see below), whose sum is σ = 249008256. Its totient is φ = 23019520.

The previous prime is 80855779. The next prime is 80855821.

80855808 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 80855808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143335 + ... + 143897.

It is an arithmetic number, because the mean of its divisors is an integer number (1729224).

Almost surely, 2^80855808 is an apocalyptic number.

80855808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80855808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124504128).

80855808 is an abundant number, since it is smaller than the sum of its proper divisors (168152448).

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

80855808 is a wasteful number, since it uses less digits than its factorization.

80855808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 80855808 is about 8991.9857651133. The cubic root of 80855808 is about 432.4179768051.

It can be divided in two parts, 808 and 55808, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 80855808 in words is "eighty million, eight hundred fifty-five thousand, eight hundred eight".