8474164209 has 24 divisors (see below), whose sum is σ = 13997535552. Its totient is φ = 4839458400.

The previous prime is 8474164201. The next prime is 8474164213. The reversal of 8474164209 is 9024614748.

It is not a de Polignac number, because 8474164209 - 2³ = 8474164201 is a prime.

It is a super-2 number, since 2×8474164209² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8474164201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66934 + ... + 146384.

It is an arithmetic number, because the mean of its divisors is an integer number (583230648).

Almost surely, 2^8474164209 is an apocalyptic number.

It is an amenable number.

8474164209 is a deficient number, since it is larger than the sum of its proper divisors (5523371343).

8474164209 is a wasteful number, since it uses less digits than its factorization.

8474164209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81157 (or 81154 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8474164209 is about 92055.2236920860. The cubic root of 8474164209 is about 2038.7577507558.

The spelling of 8474164209 in words is "eight billion, four hundred seventy-four million, one hundred sixty-four thousand, two hundred nine".