322740086897 has 4 divisors (see below), whose sum is σ = 339726407280. Its totient is φ = 305753766516.

The previous prime is 322740086861. The next prime is 322740086947. The reversal of 322740086897 is 798680047223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322740086897 is a prime.

It is a super-2 number, since 2×322740086897² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322740086827) 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 3 ways as a sum of consecutive naturals, for example, 8493160163 + ... + 8493160200.

It is an arithmetic number, because the mean of its divisors is an integer number (84931601820).

Almost surely, 2^322740086897 is an apocalyptic number.

It is an amenable number.

322740086897 is a deficient number, since it is larger than the sum of its proper divisors (16986320383).

322740086897 is a wasteful number, since it uses less digits than its factorization.

322740086897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16986320382.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 322740086897 in words is "three hundred twenty-two billion, seven hundred forty million, eighty-six thousand, eight hundred ninety-seven".