71774650773777 has 32 divisors (see below), whose sum is σ = 109483269202944. Its totient is φ = 40971954715200.

The previous prime is 71774650773757. The next prime is 71774650773779. The reversal of 71774650773777 is 77737705647717.

It is not a de Polignac number, because 71774650773777 - 2¹⁰ = 71774650772753 is a prime.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 71774650773699 and 71774650773708.

It is not an unprimeable number, because it can be changed into a prime (71774650773779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212376502 + ... + 212714192.

It is an arithmetic number, because the mean of its divisors is an integer number (3421352162592).

Almost surely, 2^{71774650773777} is an apocalyptic number.

It is an amenable number.

71774650773777 is a deficient number, since it is larger than the sum of its proper divisors (37708618429167).

71774650773777 is a wasteful number, since it uses less digits than its factorization.

71774650773777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348069.

The product of its (nonzero) digits is 2075328360, while the sum is 75.

The spelling of 71774650773777 in words is "seventy-one trillion, seven hundred seventy-four billion, six hundred fifty million, seven hundred seventy-three thousand, seven hundred seventy-seven".