104439679 has 2 divisors, whose sum is σ = 104439680. Its totient is φ = 104439678.

The previous prime is 104439623. The next prime is 104439689. The reversal of 104439679 is 976934401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104439679 - 2²⁵ = 70885247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104439689) 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 as a sum of consecutive naturals, namely, 52219839 + 52219840.

It is an arithmetic number, because the mean of its divisors is an integer number (52219840).

Almost surely, 2^104439679 is an apocalyptic number.

104439679 is a deficient number, since it is larger than the sum of its proper divisors (1).

104439679 is an equidigital number, since it uses as much as digits as its factorization.

104439679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 104439679 is about 10219.5733276884. The cubic root of 104439679 is about 470.9287189487.

The spelling of 104439679 in words is "one hundred four million, four hundred thirty-nine thousand, six hundred seventy-nine".