7854352817 has 2 divisors, whose sum is σ = 7854352818. Its totient is φ = 7854352816.

The previous prime is 7854352687. The next prime is 7854352819. The reversal of 7854352817 is 7182534587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4869806656 + 2984546161 = 69784^2 + 54631^2 .

It is a cyclic number.

It is not a de Polignac number, because 7854352817 - 2¹⁴ = 7854336433 is a prime.

Together with 7854352819, 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 (7854352819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3927176408 + 3927176409.

It is an arithmetic number, because the mean of its divisors is an integer number (3927176409).

Almost surely, 2^7854352817 is an apocalyptic number.

It is an amenable number.

7854352817 is a deficient number, since it is larger than the sum of its proper divisors (1).

7854352817 is an equidigital number, since it uses as much as digits as its factorization.

7854352817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 50.

The square root of 7854352817 is about 88624.7866964993. The cubic root of 7854352817 is about 1987.7883239901.

The spelling of 7854352817 in words is "seven billion, eight hundred fifty-four million, three hundred fifty-two thousand, eight hundred seventeen".