53346746777 has 2 divisors, whose sum is σ = 53346746778. Its totient is φ = 53346746776.

The previous prime is 53346746773. The next prime is 53346746821. The reversal of 53346746777 is 77764764335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53137626256 + 209120521 = 230516^2 + 14461^2 .

It is a cyclic number.

It is not a de Polignac number, because 53346746777 - 2² = 53346746773 is a prime.

It is not a weakly prime, because it can be changed into another prime (53346746771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26673373388 + 26673373389.

It is an arithmetic number, because the mean of its divisors is an integer number (26673373389).

Almost surely, 2^53346746777 is an apocalyptic number.

It is an amenable number.

53346746777 is a deficient number, since it is larger than the sum of its proper divisors (1).

53346746777 is an equidigital number, since it uses as much as digits as its factorization.

53346746777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62233920, while the sum is 59.

The spelling of 53346746777 in words is "fifty-three billion, three hundred forty-six million, seven hundred forty-six thousand, seven hundred seventy-seven".