104457771791 has 2 divisors, whose sum is σ = 104457771792. Its totient is φ = 104457771790.

The previous prime is 104457771767. The next prime is 104457771827. The reversal of 104457771791 is 197177754401.

It is a weak prime.

It is an emirp because it is prime and its reverse (197177754401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104457771791 is a prime.

It is a super-2 number, since 2×104457771791² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104457771701) 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, 52228885895 + 52228885896.

It is an arithmetic number, because the mean of its divisors is an integer number (52228885896).

Almost surely, 2^104457771791 is an apocalyptic number.

104457771791 is a deficient number, since it is larger than the sum of its proper divisors (1).

104457771791 is an equidigital number, since it uses as much as digits as its factorization.

104457771791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 53.

The spelling of 104457771791 in words is "one hundred four billion, four hundred fifty-seven million, seven hundred seventy-one thousand, seven hundred ninety-one".