80801346667 has 4 divisors (see below), whose sum is σ = 84314448720. Its totient is φ = 77288244616.

The previous prime is 80801346653. The next prime is 80801346677. The reversal of 80801346667 is 76664310808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80801346667 - 2¹⁹ = 80800822379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80801346667.

It is not an unprimeable number, because it can be changed into a prime (80801346677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756550992 + ... + 1756551037.

It is an arithmetic number, because the mean of its divisors is an integer number (21078612180).

Almost surely, 2^80801346667 is an apocalyptic number.

80801346667 is a deficient number, since it is larger than the sum of its proper divisors (3513102053).

80801346667 is a wasteful number, since it uses less digits than its factorization.

80801346667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513102052.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 80801346667 in words is "eighty billion, eight hundred one million, three hundred forty-six thousand, six hundred sixty-seven".