80819208 has 40 divisors (see below), whose sum is σ = 226370430. Its totient is φ = 26939520.

The previous prime is 80819161. The next prime is 80819227. The reversal of 80819208 is 80291808.

It can be written as a sum of positive squares in only one way, i.e., 80676324 + 142884 = 8982^2 + 378^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61713 + ... + 63008.

Almost surely, 2^80819208 is an apocalyptic number.

It is an amenable number.

80819208 is an abundant number, since it is smaller than the sum of its proper divisors (145551222).

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

80819208 is a wasteful number, since it uses less digits than its factorization.

80819208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124739 (or 124726 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 80819208 is about 8989.9503891846. The cubic root of 80819208 is about 432.3527211896.

The spelling of 80819208 in words is "eighty million, eight hundred nineteen thousand, two hundred eight".