80640608 has 24 divisors (see below), whose sum is σ = 159122880. Its totient is φ = 40228480.

The previous prime is 80640589. The next prime is 80640629. The reversal of 80640608 is 80604608.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12698 + ... + 17958.

It is an arithmetic number, because the mean of its divisors is an integer number (6630120).

Almost surely, 2^80640608 is an apocalyptic number.

It is an amenable number.

80640608 is a deficient number, since it is larger than the sum of its proper divisors (78482272).

80640608 is a wasteful number, since it uses less digits than its factorization.

80640608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 80640608 is about 8980.0115812843. The cubic root of 80640608 is about 432.0340050964.

It can be divided in two parts, 806 and 40608, that added together give a palindrome (41414).

The spelling of 80640608 in words is "eighty million, six hundred forty thousand, six hundred eight".