779754923953 has 2 divisors, whose sum is σ = 779754923954. Its totient is φ = 779754923952.

The previous prime is 779754923921. The next prime is 779754924007. The reversal of 779754923953 is 359329457977.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777601221489 + 2153702464 = 881817^2 + 46408^2 .

It is a cyclic number.

It is not a de Polignac number, because 779754923953 - 2⁵ = 779754923921 is a prime.

It is not a weakly prime, because it can be changed into another prime (779754924953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389877461976 + 389877461977.

It is an arithmetic number, because the mean of its divisors is an integer number (389877461977).

Almost surely, 2^779754923953 is an apocalyptic number.

It is an amenable number.

779754923953 is a deficient number, since it is larger than the sum of its proper divisors (1).

779754923953 is an equidigital number, since it uses as much as digits as its factorization.

779754923953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450084600, while the sum is 70.

The spelling of 779754923953 in words is "seven hundred seventy-nine billion, seven hundred fifty-four million, nine hundred twenty-three thousand, nine hundred fifty-three".