104543977 has 2 divisors, whose sum is σ = 104543978. Its totient is φ = 104543976.

The previous prime is 104543969. The next prime is 104544001. The reversal of 104543977 is 779345401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84437721 + 20106256 = 9189^2 + 4484^2 .

It is a cyclic number.

It is not a de Polignac number, because 104543977 - 2³ = 104543969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104543917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52271988 + 52271989.

It is an arithmetic number, because the mean of its divisors is an integer number (52271989).

Almost surely, 2^104543977 is an apocalyptic number.

It is an amenable number.

104543977 is a deficient number, since it is larger than the sum of its proper divisors (1).

104543977 is an equidigital number, since it uses as much as digits as its factorization.

104543977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 104543977 is about 10224.6749092575. The cubic root of 104543977 is about 471.0854300856.

The spelling of 104543977 in words is "one hundred four million, five hundred forty-three thousand, nine hundred seventy-seven".