8320967849 has 8 divisors (see below), whose sum is σ = 8954871048. Its totient is φ = 7703112960.

The previous prime is 8320967833. The next prime is 8320967867. The reversal of 8320967849 is 9487690238.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1344542224 + 6976425625 = 36668^2 + 83525^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8320967849 - 2⁴ = 8320967833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8320967794 and 8320967803.

It is not an unprimeable number, because it can be changed into a prime (8320967819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4011002 + ... + 4013075.

It is an arithmetic number, because the mean of its divisors is an integer number (1119358881).

Almost surely, 2^8320967849 is an apocalyptic number.

It is an amenable number.

8320967849 is a deficient number, since it is larger than the sum of its proper divisors (633903199).

8320967849 is a wasteful number, since it uses less digits than its factorization.

8320967849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024155.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 8320967849 is about 91219.3392269424. The cubic root of 8320967849 is about 2026.3973771352.

The spelling of 8320967849 in words is "eight billion, three hundred twenty million, nine hundred sixty-seven thousand, eight hundred forty-nine".