80456984 has 8 divisors (see below), whose sum is σ = 150856860. Its totient is φ = 40228488.

The previous prime is 80456983. The next prime is 80457007. The reversal of 80456984 is 48965408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80456983) 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 as a sum of consecutive naturals, namely, 5028554 + ... + 5028569.

Almost surely, 2^80456984 is an apocalyptic number.

It is an amenable number.

80456984 is a deficient number, since it is larger than the sum of its proper divisors (70399876).

80456984 is a wasteful number, since it uses less digits than its factorization.

80456984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057129 (or 10057125 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 80456984 is about 8969.7817141779. The cubic root of 80456984 is about 431.7058325416.

The spelling of 80456984 in words is "eighty million, four hundred fifty-six thousand, nine hundred eighty-four".