80644488 has 32 divisors (see below), whose sum is σ = 201864960. Its totient is φ = 26847680.

The previous prime is 80644439. The next prime is 80644507. The reversal of 80644488 is 88444608.

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 7 ways as a sum of consecutive naturals, for example, 23881 + ... + 27047.

It is an arithmetic number, because the mean of its divisors is an integer number (6308280).

Almost surely, 2^80644488 is an apocalyptic number.

It is an amenable number.

80644488 is an abundant number, since it is smaller than the sum of its proper divisors (121220472).

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

80644488 is a wasteful number, since it uses less digits than its factorization.

80644488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 80644488 is about 8980.2276140419. The cubic root of 80644488 is about 432.0409340499.

The spelling of 80644488 in words is "eighty million, six hundred forty-four thousand, four hundred eighty-eight".