80280000005 has 8 divisors (see below), whose sum is σ = 96532206624. Its totient is φ = 64093195600.

The previous prime is 80279999959. The next prime is 80280000007. The reversal of 80280000005 is 50000008208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80280000005 - 2⁶ = 80279999941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80280000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16347851 + ... + 16352760.

It is an arithmetic number, because the mean of its divisors is an integer number (12066525828).

Almost surely, 2^80280000005 is an apocalyptic number.

It is an amenable number.

80280000005 is a deficient number, since it is larger than the sum of its proper divisors (16252206619).

80280000005 is a wasteful number, since it uses less digits than its factorization.

80280000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32701107.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 80280000005 in words is "eighty billion, two hundred eighty million, five", and thus it is an aban number.