77522507275253 has 2 divisors, whose sum is σ = 77522507275254. Its totient is φ = 77522507275252.

The previous prime is 77522507275219. The next prime is 77522507275273. The reversal of 77522507275253 is 35257270522577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59338704798244 + 18183802477009 = 7703162^2 + 4264247^2 .

It is a cyclic number.

It is not a de Polignac number, because 77522507275253 - 2¹⁶ = 77522507209717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77522507275192 and 77522507275201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77522507275273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38761253637626 + 38761253637627.

It is an arithmetic number, because the mean of its divisors is an integer number (38761253637627).

Almost surely, 2^{77522507275253} is an apocalyptic number.

It is an amenable number.

77522507275253 is a deficient number, since it is larger than the sum of its proper divisors (1).

77522507275253 is an equidigital number, since it uses as much as digits as its factorization.

77522507275253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72030000, while the sum is 59.

The spelling of 77522507275253 in words is "seventy-seven trillion, five hundred twenty-two billion, five hundred seven million, two hundred seventy-five thousand, two hundred fifty-three".