80663953388 has 12 divisors (see below), whose sum is σ = 141163906800. Its totient is φ = 40331408592.

The previous prime is 80663953283. The next prime is 80663953477. The reversal of 80663953388 is 88335936608.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486638 + ... + 630986.

It is an arithmetic number, because the mean of its divisors is an integer number (11763658900).

Almost surely, 2^80663953388 is an apocalyptic number.

It is an amenable number.

80663953388 is a deficient number, since it is larger than the sum of its proper divisors (60499953412).

80663953388 is a wasteful number, since it uses less digits than its factorization.

80663953388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284056 (or 284054 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 80663953388 in words is "eighty billion, six hundred sixty-three million, nine hundred fifty-three thousand, three hundred eighty-eight".