80456912 has 10 divisors (see below), whose sum is σ = 155885298. Its totient is φ = 40228448.

The previous prime is 80456897. The next prime is 80456923. The reversal of 80456912 is 21965408.

It can be written as a sum of positive squares in only one way, i.e., 44408896 + 36048016 = 6664^2 + 6004^2 .

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 as a sum of consecutive naturals, namely, 2514263 + ... + 2514294.

Almost surely, 2^80456912 is an apocalyptic number.

It is an amenable number.

80456912 is a deficient number, since it is larger than the sum of its proper divisors (75428386).

80456912 is a wasteful number, since it uses less digits than its factorization.

80456912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028565 (or 5028559 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 80456912 is about 8969.7777007014. Note that the first 4 decimals coincide. The cubic root of 80456912 is about 431.7057037655.

The spelling of 80456912 in words is "eighty million, four hundred fifty-six thousand, nine hundred twelve".