80549628 has 48 divisors (see below), whose sum is σ = 191520000. Its totient is φ = 26345088.

The previous prime is 80549627. The next prime is 80549639. The reversal of 80549628 is 82694508.

It is a self number, because there is not a number n which added to its sum of digits gives 80549628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80549627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212343 + ... + 212721.

It is an arithmetic number, because the mean of its divisors is an integer number (3990000).

Almost surely, 2^80549628 is an apocalyptic number.

It is an amenable number.

80549628 is an abundant number, since it is smaller than the sum of its proper divisors (110970372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80549628 is a wasteful number, since it uses less digits than its factorization.

80549628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 80549628 is about 8974.9444566526. The cubic root of 80549628 is about 431.8714681063.

The spelling of 80549628 in words is "eighty million, five hundred forty-nine thousand, six hundred twenty-eight".