7860420353 has 2 divisors, whose sum is σ = 7860420354. Its totient is φ = 7860420352.

The previous prime is 7860420331. The next prime is 7860420409. The reversal of 7860420353 is 3530240687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7271484529 + 588935824 = 85273^2 + 24268^2 .

It is an emirp because it is prime and its reverse (3530240687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7860420353 - 2¹⁸ = 7860158209 is a prime.

It is not a weakly prime, because it can be changed into another prime (7860423353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930210176 + 3930210177.

It is an arithmetic number, because the mean of its divisors is an integer number (3930210177).

Almost surely, 2^7860420353 is an apocalyptic number.

It is an amenable number.

7860420353 is a deficient number, since it is larger than the sum of its proper divisors (1).

7860420353 is an equidigital number, since it uses as much as digits as its factorization.

7860420353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 7860420353 is about 88659.0116852201. The cubic root of 7860420353 is about 1988.3000518223.

The spelling of 7860420353 in words is "seven billion, eight hundred sixty million, four hundred twenty thousand, three hundred fifty-three".