48776798729 has 2 divisors, whose sum is σ = 48776798730. Its totient is φ = 48776798728.

The previous prime is 48776798611. The next prime is 48776798743. The reversal of 48776798729 is 92789767784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39362560000 + 9414238729 = 198400^2 + 97027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48776798729 is a prime.

It is not a weakly prime, because it can be changed into another prime (48776798789) 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 as a sum of consecutive naturals, namely, 24388399364 + 24388399365.

It is an arithmetic number, because the mean of its divisors is an integer number (24388399365).

Almost surely, 2^48776798729 is an apocalyptic number.

It is an amenable number.

48776798729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48776798729 is an equidigital number, since it uses as much as digits as its factorization.

48776798729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 597445632, while the sum is 74.

The spelling of 48776798729 in words is "forty-eight billion, seven hundred seventy-six million, seven hundred ninety-eight thousand, seven hundred twenty-nine".