8278744950 has 144 divisors (see below), whose sum is σ = 25467807456. Its totient is φ = 1888704000.

The previous prime is 8278744933. The next prime is 8278744951. The reversal of 8278744950 is 594478728.

It is a happy number.

8278744950 is a `hidden beast` number, since 82 + 7 + 8 + 74 + 495 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278744951) 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 71 ways as a sum of consecutive naturals, for example, 1890964 + ... + 1895336.

It is an arithmetic number, because the mean of its divisors is an integer number (176859774).

Almost surely, 2^8278744950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8278744950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12733903728).

8278744950 is an abundant number, since it is smaller than the sum of its proper divisors (17189062506).

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

8278744950 is a wasteful number, since it uses less digits than its factorization.

8278744950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 8278744950 is about 90987.6087717443. The cubic root of 8278744950 is about 2022.9640625769.

The spelling of 8278744950 in words is "eight billion, two hundred seventy-eight million, seven hundred forty-four thousand, nine hundred fifty".