8212840396893 has 32 divisors (see below), whose sum is σ = 13281231043200. Its totient is φ = 4974496416000.

The previous prime is 8212840396823. The next prime is 8212840396907. The reversal of 8212840396893 is 3986930482128.

8212840396893 is a `hidden beast` number, since 8 + 2 + 128 + 40 + 396 + 89 + 3 = 666.

It is not a de Polignac number, because 8212840396893 - 2⁸ = 8212840396637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8212840396893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212840396823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7788508 + ... + 8779893.

It is an arithmetic number, because the mean of its divisors is an integer number (415038470100).

Almost surely, 2^{8212840396893} is an apocalyptic number.

It is an amenable number.

8212840396893 is a deficient number, since it is larger than the sum of its proper divisors (5068390646307).

8212840396893 is a wasteful number, since it uses less digits than its factorization.

8212840396893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16570090 (or 16570084 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 8212840396893 in words is "eight trillion, two hundred twelve billion, eight hundred forty million, three hundred ninety-six thousand, eight hundred ninety-three".