8473409280 has 648 divisors, whose sum is σ = 36150568272. Its totient is φ = 1820786688.

The previous prime is 8473409267. The next prime is 8473409293. The reversal of 8473409280 is 829043748.

It is an interprime number because it is at equal distance from previous prime (8473409267) and next prime (8473409293).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9595719 + ... + 9596601.

It is an arithmetic number, because the mean of its divisors is an integer number (55787914).

Almost surely, 2^8473409280 is an apocalyptic number.

8473409280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8473409280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18075284136).

8473409280 is an abundant number, since it is smaller than the sum of its proper divisors (27677158992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8473409280 is a wasteful number, since it uses less digits than its factorization.

8473409280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 917 counting only the distinct ones).

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

The square root of 8473409280 is about 92051.1231870638. The cubic root of 8473409280 is about 2038.6972073984.

The spelling of 8473409280 in words is "eight billion, four hundred seventy-three million, four hundred nine thousand, two hundred eighty".