80786696612164 has 9 divisors (see below), whose sum is σ = 141376750529791. Its totient is φ = 40393339317940.

The previous prime is 80786696612099. The next prime is 80786696612203. The reversal of 80786696612164 is 46121669668708.

The square root of 80786696612164 is 8988142.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80786696612093 and 80786696612102.

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 2 ways as a sum of consecutive naturals, for example, 15729249 + ... + 20223319.

Almost surely, 2^{80786696612164} is an apocalyptic number.

80786696612164 is the 8988142-nd square number.

It is an amenable number.

80786696612164 is a deficient number, since it is larger than the sum of its proper divisors (60590053917627).

80786696612164 is an frugal number, since it uses more digits than its factorization.

80786696612164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988146 (or 4494073 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 80786696612164 in words is "eighty trillion, seven hundred eighty-six billion, six hundred ninety-six million, six hundred twelve thousand, one hundred sixty-four".