7894538211 has 8 divisors (see below), whose sum is σ = 12029772544. Its totient is φ = 4511164680.

The previous prime is 7894538167. The next prime is 7894538219. The reversal of 7894538211 is 1128354987.

7894538211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7894538211 - 2⁹ = 7894537699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7894538219) by changing a digit.

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, 187965175 + ... + 187965216.

It is an arithmetic number, because the mean of its divisors is an integer number (1503721568).

Almost surely, 2^7894538211 is an apocalyptic number.

7894538211 is a deficient number, since it is larger than the sum of its proper divisors (4135234333).

7894538211 is a wasteful number, since it uses less digits than its factorization.

7894538211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375930401.

The product of its digits is 483840, while the sum is 48.

The square root of 7894538211 is about 88851.2138971663. The cubic root of 7894538211 is about 1991.1726135286.

The spelling of 7894538211 in words is "seven billion, eight hundred ninety-four million, five hundred thirty-eight thousand, two hundred eleven".