8428077710993 has 2 divisors, whose sum is σ = 8428077710994. Its totient is φ = 8428077710992.

The previous prime is 8428077710953. The next prime is 8428077711007. The reversal of 8428077710993 is 3990177708248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5295489223249 + 3132588487744 = 2301193^2 + 1769912^2 .

It is a cyclic number.

It is not a de Polignac number, because 8428077710993 - 2¹² = 8428077706897 is a prime.

It is not a weakly prime, because it can be changed into another prime (8428077710903) 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, 4214038855496 + 4214038855497.

It is an arithmetic number, because the mean of its divisors is an integer number (4214038855497).

Almost surely, 2^{8428077710993} is an apocalyptic number.

It is an amenable number.

8428077710993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8428077710993 is an equidigital number, since it uses as much as digits as its factorization.

8428077710993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42674688, while the sum is 65.

The spelling of 8428077710993 in words is "eight trillion, four hundred twenty-eight billion, seventy-seven million, seven hundred ten thousand, nine hundred ninety-three".