80643488 has 24 divisors (see below), whose sum is σ = 159139008. Its totient is φ = 40227264.

The previous prime is 80643487. The next prime is 80643503. The reversal of 80643488 is 88434608.

It is a super-2 number, since 2×80643488² = 13006744313612288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80643481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12095 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (6630792).

Almost surely, 2^80643488 is an apocalyptic number.

It is an amenable number.

80643488 is a deficient number, since it is larger than the sum of its proper divisors (78495520).

80643488 is a wasteful number, since it uses less digits than its factorization.

80643488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916 (or 5908 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 80643488 is about 8980.1719359932. The cubic root of 80643488 is about 432.0391482584.

The spelling of 80643488 in words is "eighty million, six hundred forty-three thousand, four hundred eighty-eight".