8390918211 has 16 divisors (see below), whose sum is σ = 12437160960. Its totient is φ = 4997072160.

The previous prime is 8390918197. The next prime is 8390918231. The reversal of 8390918211 is 1128190938.

It is not a de Polignac number, because 8390918211 - 2¹⁸ = 8390656067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8390918231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3468981 + ... + 3471398.

It is an arithmetic number, because the mean of its divisors is an integer number (777322560).

Almost surely, 2^8390918211 is an apocalyptic number.

8390918211 is a deficient number, since it is larger than the sum of its proper divisors (4046242749).

8390918211 is a wasteful number, since it uses less digits than its factorization.

8390918211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940426.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 8390918211 is about 91601.9552793498. The cubic root of 8390918211 is about 2032.0598544321.

The spelling of 8390918211 in words is "eight billion, three hundred ninety million, nine hundred eighteen thousand, two hundred eleven".