84343508407 has 2 divisors, whose sum is σ = 84343508408. Its totient is φ = 84343508406.

The previous prime is 84343508387. The next prime is 84343508441. The reversal of 84343508407 is 70480534348.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84343508407 is a prime.

It is a super-2 number, since 2×84343508407² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84343508497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42171754203 + 42171754204.

It is an arithmetic number, because the mean of its divisors is an integer number (42171754204).

Almost surely, 2^84343508407 is an apocalyptic number.

84343508407 is a deficient number, since it is larger than the sum of its proper divisors (1).

84343508407 is an equidigital number, since it uses as much as digits as its factorization.

84343508407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 84343508407 in words is "eighty-four billion, three hundred forty-three million, five hundred eight thousand, four hundred seven".