8210085407 has 2 divisors, whose sum is σ = 8210085408. Its totient is φ = 8210085406.

The previous prime is 8210085361. The next prime is 8210085409. The reversal of 8210085407 is 7045800128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8210085407 - 2¹⁸ = 8209823263 is a prime.

Together with 8210085409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8210085409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105042703 + 4105042704.

It is an arithmetic number, because the mean of its divisors is an integer number (4105042704).

Almost surely, 2^8210085407 is an apocalyptic number.

8210085407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210085407 is an equidigital number, since it uses as much as digits as its factorization.

8210085407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 8210085407 is about 90609.5216133492. The cubic root of 8210085407 is about 2017.3560650677.

The spelling of 8210085407 in words is "eight billion, two hundred ten million, eighty-five thousand, four hundred seven".