7865222873 has 8 divisors (see below), whose sum is σ = 8345724192. Its totient is φ = 7386703936.

The previous prime is 7865222851. The next prime is 7865222879. The reversal of 7865222873 is 3782225687.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7865222873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7865222879) 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, 487415 + ... + 503292.

It is an arithmetic number, because the mean of its divisors is an integer number (1043215524).

Almost surely, 2^7865222873 is an apocalyptic number.

It is an amenable number.

7865222873 is a deficient number, since it is larger than the sum of its proper divisors (480501319).

7865222873 is a wasteful number, since it uses less digits than its factorization.

7865222873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991191.

The product of its digits is 2257920, while the sum is 50.

The square root of 7865222873 is about 88686.0917675370. The cubic root of 7865222873 is about 1988.7049032294.

The spelling of 7865222873 in words is "seven billion, eight hundred sixty-five million, two hundred twenty-two thousand, eight hundred seventy-three".