787481128663 has 2 divisors, whose sum is σ = 787481128664. Its totient is φ = 787481128662.

The previous prime is 787481128573. The next prime is 787481128783. The reversal of 787481128663 is 366821184787.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787481128663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (787481120663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393740564331 + 393740564332.

It is an arithmetic number, because the mean of its divisors is an integer number (393740564332).

Almost surely, 2^787481128663 is an apocalyptic number.

787481128663 is a deficient number, since it is larger than the sum of its proper divisors (1).

787481128663 is an equidigital number, since it uses as much as digits as its factorization.

787481128663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 61.

The spelling of 787481128663 in words is "seven hundred eighty-seven billion, four hundred eighty-one million, one hundred twenty-eight thousand, six hundred sixty-three".