104308975777 has 2 divisors, whose sum is σ = 104308975778. Its totient is φ = 104308975776.

The previous prime is 104308975747. The next prime is 104308975783. The reversal of 104308975777 is 777579803401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93948993121 + 10359982656 = 306511^2 + 101784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104308975777 is a prime.

It is not a weakly prime, because it can be changed into another prime (104308975747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52154487888 + 52154487889.

It is an arithmetic number, because the mean of its divisors is an integer number (52154487889).

Almost surely, 2^104308975777 is an apocalyptic number.

It is an amenable number.

104308975777 is a deficient number, since it is larger than the sum of its proper divisors (1).

104308975777 is an equidigital number, since it uses as much as digits as its factorization.

104308975777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10372320, while the sum is 58.

The spelling of 104308975777 in words is "one hundred four billion, three hundred eight million, nine hundred seventy-five thousand, seven hundred seventy-seven".