104564977793 has 2 divisors, whose sum is σ = 104564977794. Its totient is φ = 104564977792.

The previous prime is 104564977619. The next prime is 104564977817. The reversal of 104564977793 is 397779465401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73566797824 + 30998179969 = 271232^2 + 176063^2 .

It is a cyclic number.

It is not a de Polignac number, because 104564977793 - 2²⁶ = 104497868929 is a prime.

It is not a weakly prime, because it can be changed into another prime (104564977193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52282488896 + 52282488897.

It is an arithmetic number, because the mean of its divisors is an integer number (52282488897).

Almost surely, 2^104564977793 is an apocalyptic number.

It is an amenable number.

104564977793 is a deficient number, since it is larger than the sum of its proper divisors (1).

104564977793 is an equidigital number, since it uses as much as digits as its factorization.

104564977793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 62.

The spelling of 104564977793 in words is "one hundred four billion, five hundred sixty-four million, nine hundred seventy-seven thousand, seven hundred ninety-three".