80421000763 has 2 divisors, whose sum is σ = 80421000764. Its totient is φ = 80421000762.

The previous prime is 80421000703. The next prime is 80421000767. The reversal of 80421000763 is 36700012408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80421000763 - 2¹³ = 80420992571 is a prime.

It is not a weakly prime, because it can be changed into another prime (80421000767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40210500381 + 40210500382.

It is an arithmetic number, because the mean of its divisors is an integer number (40210500382).

Almost surely, 2^80421000763 is an apocalyptic number.

80421000763 is a deficient number, since it is larger than the sum of its proper divisors (1).

80421000763 is an equidigital number, since it uses as much as digits as its factorization.

80421000763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 80421000763 in words is "eighty billion, four hundred twenty-one million, seven hundred sixty-three", and thus it is an aban number.