4887687793 has 2 divisors, whose sum is σ = 4887687794. Its totient is φ = 4887687792.

The previous prime is 4887687709. The next prime is 4887687803. The reversal of 4887687793 is 3977867884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4887687744 + 49 = 69912^2 + 7^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4887687793 is a prime.

It is not a weakly prime, because it can be changed into another prime (4887687293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443843896 + 2443843897.

It is an arithmetic number, because the mean of its divisors is an integer number (2443843897).

Almost surely, 2^4887687793 is an apocalyptic number.

It is an amenable number.

4887687793 is a deficient number, since it is larger than the sum of its proper divisors (1).

4887687793 is an equidigital number, since it uses as much as digits as its factorization.

4887687793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113799168, while the sum is 67.

The square root of 4887687793 is about 69912.0003504406. Note that the first 3 decimals coincide. The cubic root of 4887687793 is about 1697.0754553530.

The spelling of 4887687793 in words is "four billion, eight hundred eighty-seven million, six hundred eighty-seven thousand, seven hundred ninety-three".