80280154817 has 4 divisors (see below), whose sum is σ = 80284981296. Its totient is φ = 80275328340.

The previous prime is 80280154813. The next prime is 80280154819. The reversal of 80280154817 is 71845108208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80280154817 - 2² = 80280154813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80280154813) 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, 2388203 + ... + 2421584.

It is an arithmetic number, because the mean of its divisors is an integer number (20071245324).

Almost surely, 2^80280154817 is an apocalyptic number.

It is an amenable number.

80280154817 is a deficient number, since it is larger than the sum of its proper divisors (4826479).

80280154817 is a wasteful number, since it uses less digits than its factorization.

80280154817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826478.

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 80280154817 in words is "eighty billion, two hundred eighty million, one hundred fifty-four thousand, eight hundred seventeen".