80028664 has 8 divisors (see below), whose sum is σ = 150053760. Its totient is φ = 40014328.

The previous prime is 80028649. The next prime is 80028667. The reversal of 80028664 is 46682008.

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 (80028667) 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, 5001784 + ... + 5001799.

It is an arithmetic number, because the mean of its divisors is an integer number (18756720).

Almost surely, 2^80028664 is an apocalyptic number.

It is an amenable number.

80028664 is a deficient number, since it is larger than the sum of its proper divisors (70025096).

80028664 is a wasteful number, since it uses less digits than its factorization.

80028664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003589 (or 10003585 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 80028664 is about 8945.8741328056. The cubic root of 80028664 is about 430.9383941246.

The spelling of 80028664 in words is "eighty million, twenty-eight thousand, six hundred sixty-four".