80309391763 has 2 divisors, whose sum is σ = 80309391764. Its totient is φ = 80309391762.

The previous prime is 80309391697. The next prime is 80309391769. The reversal of 80309391763 is 36719390308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80309391763 - 2¹³ = 80309383571 is a prime.

It is not a weakly prime, because it can be changed into another prime (80309391769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40154695881 + 40154695882.

It is an arithmetic number, because the mean of its divisors is an integer number (40154695882).

Almost surely, 2^80309391763 is an apocalyptic number.

80309391763 is a deficient number, since it is larger than the sum of its proper divisors (1).

80309391763 is an equidigital number, since it uses as much as digits as its factorization.

80309391763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 80309391763 in words is "eighty billion, three hundred nine million, three hundred ninety-one thousand, seven hundred sixty-three".