80785208 has 64 divisors (see below), whose sum is σ = 179773440. Its totient is φ = 33312384.

The previous prime is 80785157. The next prime is 80785217. The reversal of 80785208 is 80258708.

80785208 = 32² + 33² + ... + 623².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262991 + ... + 263297.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^80785208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80785208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89886720).

80785208 is an abundant number, since it is smaller than the sum of its proper divisors (98988232).

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

80785208 is a wasteful number, since it uses less digits than its factorization.

80785208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 80785208 is about 8988.0591898363. The cubic root of 80785208 is about 432.2920835650.

The spelling of 80785208 in words is "eighty million, seven hundred eighty-five thousand, two hundred eight".