80125663 has 2 divisors, whose sum is σ = 80125664. Its totient is φ = 80125662.

The previous prime is 80125651. The next prime is 80125667. The reversal of 80125663 is 36652108.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80125663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80125667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40062831 + 40062832.

It is an arithmetic number, because the mean of its divisors is an integer number (40062832).

Almost surely, 2^80125663 is an apocalyptic number.

80125663 is a deficient number, since it is larger than the sum of its proper divisors (1).

80125663 is an equidigital number, since it uses as much as digits as its factorization.

80125663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 80125663 is about 8951.2939288128. The cubic root of 80125663 is about 431.1124305860.

The spelling of 80125663 in words is "eighty million, one hundred twenty-five thousand, six hundred sixty-three".