8361477562871 has 2 divisors, whose sum is σ = 8361477562872. Its totient is φ = 8361477562870.

The previous prime is 8361477562727. The next prime is 8361477562913. The reversal of 8361477562871 is 1782657741638.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8361477562871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8361477562798 and 8361477562807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8361477565871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180738781435 + 4180738781436.

It is an arithmetic number, because the mean of its divisors is an integer number (4180738781436).

Almost surely, 2^{8361477562871} is an apocalyptic number.

8361477562871 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361477562871 is an equidigital number, since it uses as much as digits as its factorization.

8361477562871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94832640, while the sum is 65.

The spelling of 8361477562871 in words is "eight trillion, three hundred sixty-one billion, four hundred seventy-seven million, five hundred sixty-two thousand, eight hundred seventy-one".