80772212 has 12 divisors (see below), whose sum is σ = 144018756. Its totient is φ = 39624000.

The previous prime is 80772203. The next prime is 80772233. The reversal of 80772212 is 21227708.

It can be written as a sum of positive squares in 2 ways, for example, as 40500496 + 40271716 = 6364^2 + 6346^2 .

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 3 ways as a sum of consecutive naturals, for example, 190289 + ... + 190712.

It is an arithmetic number, because the mean of its divisors is an integer number (12001563).

Almost surely, 2^80772212 is an apocalyptic number.

It is an amenable number.

80772212 is a deficient number, since it is larger than the sum of its proper divisors (63246544).

80772212 is a wasteful number, since it uses less digits than its factorization.

80772212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381058 (or 381056 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 80772212 is about 8987.3362015672. The cubic root of 80772212 is about 432.2689012302.

The spelling of 80772212 in words is "eighty million, seven hundred seventy-two thousand, two hundred twelve".