80663608 has 8 divisors (see below), whose sum is σ = 151244280. Its totient is φ = 40331800.

The previous prime is 80663603. The next prime is 80663621. The reversal of 80663608 is 80636608.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80663603) by changing a digit.

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 as a sum of consecutive naturals, namely, 5041468 + ... + 5041483.

It is an arithmetic number, because the mean of its divisors is an integer number (18905535).

Almost surely, 2^80663608 is an apocalyptic number.

It is an amenable number.

80663608 is a deficient number, since it is larger than the sum of its proper divisors (70580672).

80663608 is a wasteful number, since it uses less digits than its factorization.

80663608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10082957 (or 10082953 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 80663608 is about 8981.2921119402. The cubic root of 80663608 is about 432.0750755438.

Subtracting from 80663608 its reverse (80636608), we obtain a cube (27000 = 30³).

The spelling of 80663608 in words is "eighty million, six hundred sixty-three thousand, six hundred eight".