77753385835253 has 2 divisors, whose sum is σ = 77753385835254. Its totient is φ = 77753385835252.

The previous prime is 77753385835249. The next prime is 77753385835267. The reversal of 77753385835253 is 35253858335777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44326926675409 + 33426459159844 = 6657847^2 + 5781562^2 .

It is a cyclic number.

It is not a de Polignac number, because 77753385835253 - 2² = 77753385835249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77753385835243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38876692917626 + 38876692917627.

It is an arithmetic number, because the mean of its divisors is an integer number (38876692917627).

Almost surely, 2^{77753385835253} is an apocalyptic number.

It is an amenable number.

77753385835253 is a deficient number, since it is larger than the sum of its proper divisors (1).

77753385835253 is an equidigital number, since it uses as much as digits as its factorization.

77753385835253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640000, while the sum is 71.

The spelling of 77753385835253 in words is "seventy-seven trillion, seven hundred fifty-three billion, three hundred eighty-five million, eight hundred thirty-five thousand, two hundred fifty-three".