2058194798887 has 2 divisors, whose sum is σ = 2058194798888. Its totient is φ = 2058194798886.

The previous prime is 2058194798861. The next prime is 2058194798899. The reversal of 2058194798887 is 7888974918502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2058194798887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2058194798587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029097399443 + 1029097399444.

It is an arithmetic number, because the mean of its divisors is an integer number (1029097399444).

Almost surely, 2^{2058194798887} is an apocalyptic number.

2058194798887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2058194798887 is an equidigital number, since it uses as much as digits as its factorization.

2058194798887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 650280960, while the sum is 76.

The spelling of 2058194798887 in words is "two trillion, fifty-eight billion, one hundred ninety-four million, seven hundred ninety-eight thousand, eight hundred eighty-seven".