80840488 has 8 divisors (see below), whose sum is σ = 151575930. Its totient is φ = 40420240.

The previous prime is 80840483. The next prime is 80840489. The reversal of 80840488 is 88404808.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 34082244 = 6838^2 + 5838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 80840488.

It is not an unprimeable number, because it can be changed into a prime (80840483) 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 as a sum of consecutive naturals, namely, 5052523 + ... + 5052538.

Almost surely, 2^80840488 is an apocalyptic number.

It is an amenable number.

80840488 is a deficient number, since it is larger than the sum of its proper divisors (70735442).

80840488 is a wasteful number, since it uses less digits than its factorization.

80840488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105067 (or 10105063 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 80840488 is about 8991.1338550819. The cubic root of 80840488 is about 432.3906645562.

The spelling of 80840488 in words is "eighty million, eight hundred forty thousand, four hundred eighty-eight".