80564799368 has 8 divisors (see below), whose sum is σ = 151058998830. Its totient is φ = 40282399680.

The previous prime is 80564799353. The next prime is 80564799383. The reversal of 80564799368 is 86399746508.

It is an interprime number because it is at equal distance from previous prime (80564799353) and next prime (80564799383).

It can be written as a sum of positive squares in only one way, i.e., 45061949284 + 35502850084 = 212278^2 + 188422^2 .

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

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 as a sum of consecutive naturals, namely, 5035299953 + ... + 5035299968.

Almost surely, 2^80564799368 is an apocalyptic number.

It is an amenable number.

80564799368 is a deficient number, since it is larger than the sum of its proper divisors (70494199462).

80564799368 is a wasteful number, since it uses less digits than its factorization.

80564799368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070599927 (or 10070599923 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 80564799368 in words is "eighty billion, five hundred sixty-four million, seven hundred ninety-nine thousand, three hundred sixty-eight".