77253202330253 has 2 divisors, whose sum is σ = 77253202330254. Its totient is φ = 77253202330252.

The previous prime is 77253202330219. The next prime is 77253202330373. The reversal of 77253202330253 is 35203320235277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41019387911044 + 36233814419209 = 6404638^2 + 6019453^2 .

It is an emirp because it is prime and its reverse (35203320235277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77253202330253 - 2¹⁰ = 77253202329229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77253202330553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38626601165126 + 38626601165127.

It is an arithmetic number, because the mean of its divisors is an integer number (38626601165127).

Almost surely, 2^{77253202330253} is an apocalyptic number.

It is an amenable number.

77253202330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

77253202330253 is an equidigital number, since it uses as much as digits as its factorization.

77253202330253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 44.

The spelling of 77253202330253 in words is "seventy-seven trillion, two hundred fifty-three billion, two hundred two million, three hundred thirty thousand, two hundred fifty-three".