805972763 has 2 divisors, whose sum is σ = 805972764. Its totient is φ = 805972762.

The previous prime is 805972747. The next prime is 805972819. The reversal of 805972763 is 367279508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 805972763 - 2⁴ = 805972747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (805972733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402986381 + 402986382.

It is an arithmetic number, because the mean of its divisors is an integer number (402986382).

Almost surely, 2^805972763 is an apocalyptic number.

805972763 is a deficient number, since it is larger than the sum of its proper divisors (1).

805972763 is an equidigital number, since it uses as much as digits as its factorization.

805972763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 805972763 is about 28389.6594379010. The cubic root of 805972763 is about 930.6223001929.

The spelling of 805972763 in words is "eight hundred five million, nine hundred seventy-two thousand, seven hundred sixty-three".