104856134777 has 4 divisors (see below), whose sum is σ = 107087116416. Its totient is φ = 102625153140.

The previous prime is 104856134771. The next prime is 104856134783. The reversal of 104856134777 is 777431658401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777431658401 = 90659 ⋅8575339.

It is an interprime number because it is at equal distance from previous prime (104856134771) and next prime (104856134783).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104856134777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104856134771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115490749 + ... + 1115490842.

It is an arithmetic number, because the mean of its divisors is an integer number (26771779104).

Almost surely, 2^104856134777 is an apocalyptic number.

It is an amenable number.

104856134777 is a deficient number, since it is larger than the sum of its proper divisors (2230981639).

104856134777 is an equidigital number, since it uses as much as digits as its factorization.

104856134777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230981638.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 104856134777 in words is "one hundred four billion, eight hundred fifty-six million, one hundred thirty-four thousand, seven hundred seventy-seven".