8217613379 has 2 divisors, whose sum is σ = 8217613380. Its totient is φ = 8217613378.

The previous prime is 8217613367. The next prime is 8217613423. The reversal of 8217613379 is 9733167128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8217613379 - 2⁸ = 8217613123 is a prime.

It is not a weakly prime, because it can be changed into another prime (8217615379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108806689 + 4108806690.

It is an arithmetic number, because the mean of its divisors is an integer number (4108806690).

Almost surely, 2^8217613379 is an apocalyptic number.

8217613379 is a deficient number, since it is larger than the sum of its proper divisors (1).

8217613379 is an equidigital number, since it uses as much as digits as its factorization.

8217613379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 8217613379 is about 90651.0528289661. The cubic root of 8217613379 is about 2017.9724598213.

The spelling of 8217613379 in words is "eight billion, two hundred seventeen million, six hundred thirteen thousand, three hundred seventy-nine".