8320180279 has 4 divisors (see below), whose sum is σ = 8324286984. Its totient is φ = 8316073576.

The previous prime is 8320180229. The next prime is 8320180289. The reversal of 8320180279 is 9720810238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9720810238 = 2 ⋅4860405119.

It is a 3-Lehmer number, since φ(8320180279) divides (8320180279-1)³.

It is a cyclic number.

It is not a de Polignac number, because 8320180279 - 2¹⁷ = 8320049207 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320180229) by changing a digit.

It is a nontrivial repunit in base 2026.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050312 + ... + 2054365.

It is an arithmetic number, because the mean of its divisors is an integer number (2081071746).

Almost surely, 2^8320180279 is an apocalyptic number.

8320180279 is a deficient number, since it is larger than the sum of its proper divisors (4106705).

8320180279 is a wasteful number, since it uses less digits than its factorization.

8320180279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106704.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8320180279 is about 91215.0222222195. The cubic root of 8320180279 is about 2026.3334430606. Note that the first 3 decimals are identical.

The spelling of 8320180279 in words is "eight billion, three hundred twenty million, one hundred eighty thousand, two hundred seventy-nine".