80544660 has 48 divisors (see below), whose sum is σ = 257744256. Its totient is φ = 18410112.

The previous prime is 80544649. The next prime is 80544677. The reversal of 80544660 is 6644508.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95467 + ... + 96306.

It is an arithmetic number, because the mean of its divisors is an integer number (5369672).

Almost surely, 2^80544660 is an apocalyptic number.

It is an amenable number.

80544660 is an abundant number, since it is smaller than the sum of its proper divisors (177199596).

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

80544660 is a wasteful number, since it uses less digits than its factorization.

80544660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191792 (or 191790 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 80544660 is about 8974.6676818699. The cubic root of 80544660 is about 431.8625891844.

The spelling of 80544660 in words is "eighty million, five hundred forty-four thousand, six hundred sixty".