104778433901 has 2 divisors, whose sum is σ = 104778433902. Its totient is φ = 104778433900.

The previous prime is 104778433897. The next prime is 104778433933. The reversal of 104778433901 is 109334877401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90993325801 + 13785108100 = 301651^2 + 117410^2 .

It is a cyclic number.

It is not a de Polignac number, because 104778433901 - 2² = 104778433897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104778433951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52389216950 + 52389216951.

It is an arithmetic number, because the mean of its divisors is an integer number (52389216951).

Almost surely, 2^104778433901 is an apocalyptic number.

It is an amenable number.

104778433901 is a deficient number, since it is larger than the sum of its proper divisors (1).

104778433901 is an equidigital number, since it uses as much as digits as its factorization.

104778433901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 104778433901 in words is "one hundred four billion, seven hundred seventy-eight million, four hundred thirty-three thousand, nine hundred one".