7863807473 has 2 divisors, whose sum is σ = 7863807474. Its totient is φ = 7863807472.

The previous prime is 7863807409. The next prime is 7863807481. The reversal of 7863807473 is 3747083687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6620751424 + 1243056049 = 81368^2 + 35257^2 .

It is a cyclic number.

It is not a de Polignac number, because 7863807473 - 2⁶ = 7863807409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7863807403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931903736 + 3931903737.

It is an arithmetic number, because the mean of its divisors is an integer number (3931903737).

Almost surely, 2^7863807473 is an apocalyptic number.

It is an amenable number.

7863807473 is a deficient number, since it is larger than the sum of its proper divisors (1).

7863807473 is an equidigital number, since it uses as much as digits as its factorization.

7863807473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The square root of 7863807473 is about 88678.1115777732. Note that the first 3 decimals coincide. The cubic root of 7863807473 is about 1988.5856024446.

The spelling of 7863807473 in words is "seven billion, eight hundred sixty-three million, eight hundred seven thousand, four hundred seventy-three".