8278782442 has 16 divisors (see below), whose sum is σ = 14206288320. Its totient is φ = 3544527168.

The previous prime is 8278782437. The next prime is 8278782509. The reversal of 8278782442 is 2442878728.

It is a self number, because there is not a number n which added to its sum of digits gives 8278782442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278908 + ... + 307159.

It is an arithmetic number, because the mean of its divisors is an integer number (887893020).

Almost surely, 2^8278782442 is an apocalyptic number.

8278782442 is a deficient number, since it is larger than the sum of its proper divisors (5927505878).

8278782442 is a wasteful number, since it uses less digits than its factorization.

8278782442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587085.

The product of its digits is 3211264, while the sum is 52.

The square root of 8278782442 is about 90987.8147995653. The cubic root of 8278782442 is about 2022.9671163753.

The spelling of 8278782442 in words is "eight billion, two hundred seventy-eight million, seven hundred eighty-two thousand, four hundred forty-two".