80854216 has 16 divisors (see below), whose sum is σ = 153679500. Its totient is φ = 39873024.

The previous prime is 80854187. The next prime is 80854217. The reversal of 80854216 is 61245808.

It can be written as a sum of positive squares in 2 ways, for example, as 74753316 + 6100900 = 8646^2 + 2470^2 .

It is not an unprimeable number, because it can be changed into a prime (80854217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68641 + ... + 69808.

Almost surely, 2^80854216 is an apocalyptic number.

It is an amenable number.

80854216 is a deficient number, since it is larger than the sum of its proper divisors (72825284).

80854216 is a wasteful number, since it uses less digits than its factorization.

80854216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138528 (or 138524 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 80854216 is about 8991.8972414057. The cubic root of 80854216 is about 432.4151387738.

The spelling of 80854216 in words is "eighty million, eight hundred fifty-four thousand, two hundred sixteen".