8870876321 has 2 divisors, whose sum is σ = 8870876322. Its totient is φ = 8870876320.

The previous prime is 8870876309. The next prime is 8870876327. The reversal of 8870876321 is 1236780788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8750667025 + 120209296 = 93545^2 + 10964^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870876321 - 2⁶ = 8870876257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8870876321.

It is not a weakly prime, because it can be changed into another prime (8870876327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435438160 + 4435438161.

It is an arithmetic number, because the mean of its divisors is an integer number (4435438161).

Almost surely, 2^8870876321 is an apocalyptic number.

It is an amenable number.

8870876321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8870876321 is an equidigital number, since it uses as much as digits as its factorization.

8870876321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 8870876321 is about 94185.3296485180. The cubic root of 8870876321 is about 2070.0881601853.

The spelling of 8870876321 in words is "eight billion, eight hundred seventy million, eight hundred seventy-six thousand, three hundred twenty-one".