8038878313 has 2 divisors, whose sum is σ = 8038878314. Its totient is φ = 8038878312.

The previous prime is 8038878311. The next prime is 8038878343. The reversal of 8038878313 is 3138788308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7671657744 + 367220569 = 87588^2 + 19163^2 .

It is a cyclic number.

It is not a de Polignac number, because 8038878313 - 2¹ = 8038878311 is a prime.

Together with 8038878311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8038878311) 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 as a sum of consecutive naturals, namely, 4019439156 + 4019439157.

It is an arithmetic number, because the mean of its divisors is an integer number (4019439157).

Almost surely, 2^8038878313 is an apocalyptic number.

It is an amenable number.

8038878313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8038878313 is an equidigital number, since it uses as much as digits as its factorization.

8038878313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 8038878313 is about 89659.7920642246. The cubic root of 8038878313 is about 2003.2346251963.

The spelling of 8038878313 in words is "eight billion, thirty-eight million, eight hundred seventy-eight thousand, three hundred thirteen".