7084640851 has 2 divisors, whose sum is σ = 7084640852. Its totient is φ = 7084640850.

The previous prime is 7084640837. The next prime is 7084640861. The reversal of 7084640851 is 1580464807.

It is a strong prime.

It is an emirp because it is prime and its reverse (1580464807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7084640851 - 2¹⁷ = 7084509779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7084640798 and 7084640807.

It is not a weakly prime, because it can be changed into another prime (7084640861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542320425 + 3542320426.

It is an arithmetic number, because the mean of its divisors is an integer number (3542320426).

Almost surely, 2^7084640851 is an apocalyptic number.

7084640851 is a deficient number, since it is larger than the sum of its proper divisors (1).

7084640851 is an equidigital number, since it uses as much as digits as its factorization.

7084640851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 7084640851 is about 84170.3086070141. The cubic root of 7084640851 is about 1920.6104152703.

The spelling of 7084640851 in words is "seven billion, eighty-four million, six hundred forty thousand, eight hundred fifty-one".