104778159407 has 2 divisors, whose sum is σ = 104778159408. Its totient is φ = 104778159406.

The previous prime is 104778159401. The next prime is 104778159443. The reversal of 104778159407 is 704951877401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104778159407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104778159401) 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, 52389079703 + 52389079704.

It is an arithmetic number, because the mean of its divisors is an integer number (52389079704).

Almost surely, 2^104778159407 is an apocalyptic number.

104778159407 is a deficient number, since it is larger than the sum of its proper divisors (1).

104778159407 is an equidigital number, since it uses as much as digits as its factorization.

104778159407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 104778159407 in words is "one hundred four billion, seven hundred seventy-eight million, one hundred fifty-nine thousand, four hundred seven".