877473955181 has 2 divisors, whose sum is σ = 877473955182. Its totient is φ = 877473955180.

The previous prime is 877473955123. The next prime is 877473955219. The reversal of 877473955181 is 181559374778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808814234281 + 68659720900 = 899341^2 + 262030^2 .

It is a cyclic number.

It is not a de Polignac number, because 877473955181 - 2¹⁴ = 877473938797 is a prime.

It is a super-2 number, since 2×877473955181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (877473951181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438736977590 + 438736977591.

It is an arithmetic number, because the mean of its divisors is an integer number (438736977591).

Almost surely, 2^877473955181 is an apocalyptic number.

It is an amenable number.

877473955181 is a deficient number, since it is larger than the sum of its proper divisors (1).

877473955181 is an equidigital number, since it uses as much as digits as its factorization.

877473955181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 65.

The spelling of 877473955181 in words is "eight hundred seventy-seven billion, four hundred seventy-three million, nine hundred fifty-five thousand, one hundred eighty-one".