80365208 has 64 divisors (see below), whose sum is σ = 188939520. Its totient is φ = 31132800.

The previous prime is 80365169. The next prime is 80365223. The reversal of 80365208 is 80256308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174098 + ... + 174558.

It is an arithmetic number, because the mean of its divisors is an integer number (2952180).

Almost surely, 2^80365208 is an apocalyptic number.

80365208 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 80365208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94469760).

80365208 is an abundant number, since it is smaller than the sum of its proper divisors (108574312).

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

80365208 is a wasteful number, since it uses less digits than its factorization.

80365208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80365208 is about 8964.6644108968. The cubic root of 80365208 is about 431.5416234335.

Subtracting from 80365208 its reverse (80256308), we obtain a square (108900 = 330²).

The spelling of 80365208 in words is "eighty million, three hundred sixty-five thousand, two hundred eight".