80356665308 has 6 divisors (see below), whose sum is σ = 140624164296. Its totient is φ = 40178332652.

The previous prime is 80356665307. The next prime is 80356665313.

80356665308 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80356665307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044583160 + ... + 10044583167.

It is an arithmetic number, because the mean of its divisors is an integer number (23437360716).

Almost surely, 2^80356665308 is an apocalyptic number.

It is an amenable number.

80356665308 is a deficient number, since it is larger than the sum of its proper divisors (60267498988).

80356665308 is a wasteful number, since it uses less digits than its factorization.

80356665308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20089166331 (or 20089166329 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 80356665308 in words is "eighty billion, three hundred fifty-six million, six hundred sixty-five thousand, three hundred eight".