8211628378 has 16 divisors (see below), whose sum is σ = 12930289920. Its totient is φ = 3906021600.

The previous prime is 8211628367. The next prime is 8211628417. The reversal of 8211628378 is 8738261128.

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 7 ways as a sum of consecutive naturals, for example, 1118763 + ... + 1126078.

It is an arithmetic number, because the mean of its divisors is an integer number (808143120).

Almost surely, 2^8211628378 is an apocalyptic number.

8211628378 is a deficient number, since it is larger than the sum of its proper divisors (4718661542).

8211628378 is a wasteful number, since it uses less digits than its factorization.

8211628378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244933.

The product of its digits is 258048, while the sum is 46.

The square root of 8211628378 is about 90618.0356110195. The cubic root of 8211628378 is about 2017.4824351266.

The spelling of 8211628378 in words is "eight billion, two hundred eleven million, six hundred twenty-eight thousand, three hundred seventy-eight".