5991947076187 has 2 divisors, whose sum is σ = 5991947076188. Its totient is φ = 5991947076186.

The previous prime is 5991947076113. The next prime is 5991947076209. The reversal of 5991947076187 is 7816707491995.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5991947076187 is a prime.

It is not a weakly prime, because it can be changed into another prime (5991947026187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995973538093 + 2995973538094.

It is an arithmetic number, because the mean of its divisors is an integer number (2995973538094).

Almost surely, 2^{5991947076187} is an apocalyptic number.

5991947076187 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991947076187 is an equidigital number, since it uses as much as digits as its factorization.

5991947076187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240045120, while the sum is 73.

The spelling of 5991947076187 in words is "five trillion, nine hundred ninety-one billion, nine hundred forty-seven million, seventy-six thousand, one hundred eighty-seven".