8513375867 has 2 divisors, whose sum is σ = 8513375868. Its totient is φ = 8513375866.

The previous prime is 8513375831. The next prime is 8513375869. The reversal of 8513375867 is 7685733158.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8513375867 - 2¹⁰ = 8513374843 is a prime.

Together with 8513375869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8513375869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256687933 + 4256687934.

It is an arithmetic number, because the mean of its divisors is an integer number (4256687934).

Almost surely, 2^8513375867 is an apocalyptic number.

8513375867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513375867 is an equidigital number, since it uses as much as digits as its factorization.

8513375867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The square root of 8513375867 is about 92267.9568810321. The cubic root of 8513375867 is about 2041.8974933698.

The spelling of 8513375867 in words is "eight billion, five hundred thirteen million, three hundred seventy-five thousand, eight hundred sixty-seven".