807047818061 has 2 divisors, whose sum is σ = 807047818062. Its totient is φ = 807047818060.

The previous prime is 807047818051. The next prime is 807047818079. The reversal of 807047818061 is 160818740708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804304048900 + 2743769161 = 896830^2 + 52381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-807047818061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807047818051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403523909030 + 403523909031.

It is an arithmetic number, because the mean of its divisors is an integer number (403523909031).

Almost surely, 2^807047818061 is an apocalyptic number.

It is an amenable number.

807047818061 is a deficient number, since it is larger than the sum of its proper divisors (1).

807047818061 is an equidigital number, since it uses as much as digits as its factorization.

807047818061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 50.

The spelling of 807047818061 in words is "eight hundred seven billion, forty-seven million, eight hundred eighteen thousand, sixty-one".