877775560045541 has 2 divisors, whose sum is σ = 877775560045542. Its totient is φ = 877775560045540.

The previous prime is 877775560045523. The next prime is 877775560045603. The reversal of 877775560045541 is 145540065577778.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612377087032516 + 265398473013025 = 24746254^2 + 16291055^2 .

It is a cyclic number.

It is not a de Polignac number, because 877775560045541 - 2³⁴ = 877758380176357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (877775560045511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438887780022770 + 438887780022771.

It is an arithmetic number, because the mean of its divisors is an integer number (438887780022771).

Almost surely, 2^{877775560045541} is an apocalyptic number.

It is an amenable number.

877775560045541 is a deficient number, since it is larger than the sum of its proper divisors (1).

877775560045541 is an equidigital number, since it uses as much as digits as its factorization.

877775560045541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152480000, while the sum is 71.

The spelling of 877775560045541 in words is "eight hundred seventy-seven trillion, seven hundred seventy-five billion, five hundred sixty million, forty-five thousand, five hundred forty-one".