8873213273 has 6 divisors (see below), whose sum is σ = 9007630506. Its totient is φ = 8740772832.

The previous prime is 8873213269. The next prime is 8873213281. The reversal of 8873213273 is 3723123788.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5081978944 + 3791234329 = 71288^2 + 61573^2 .

It is not a de Polignac number, because 8873213273 - 2² = 8873213269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8873213213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 983840 + ... + 992817.

It is an arithmetic number, because the mean of its divisors is an integer number (1501271751).

Almost surely, 2^8873213273 is an apocalyptic number.

It is an amenable number.

8873213273 is a deficient number, since it is larger than the sum of its proper divisors (134417233).

8873213273 is an equidigital number, since it uses as much as digits as its factorization.

8873213273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976791 (or 1976724 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 8873213273 is about 94197.7349674609. The cubic root of 8873213273 is about 2070.2699262152.

The spelling of 8873213273 in words is "eight billion, eight hundred seventy-three million, two hundred thirteen thousand, two hundred seventy-three".