8278385472 has 336 divisors, whose sum is σ = 28424672640. Its totient is φ = 2253533184.

The previous prime is 8278385441. The next prime is 8278385503. The reversal of 8278385472 is 2745838728.

It is an interprime number because it is at equal distance from previous prime (8278385441) and next prime (8278385503).

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9704598 + ... + 9705450.

It is an arithmetic number, because the mean of its divisors is an integer number (84597240).

Almost surely, 2^8278385472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8278385472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14212336320).

8278385472 is an abundant number, since it is smaller than the sum of its proper divisors (20146287168).

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

8278385472 is a wasteful number, since it uses less digits than its factorization.

8278385472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 977 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 8278385472 is about 90985.6333274655. The cubic root of 8278385472 is about 2022.9347819068.

The spelling of 8278385472 in words is "eight billion, two hundred seventy-eight million, three hundred eighty-five thousand, four hundred seventy-two".