873191366055 has 32 divisors (see below), whose sum is σ = 1553119581120. Its totient is φ = 465468249600.

The previous prime is 873191366053. The next prime is 873191366083. The reversal of 873191366055 is 550663191378.

873191366055 is a `hidden beast` number, since 8 + 7 + 3 + 19 + 13 + 6 + 605 + 5 = 666.

It is not a de Polignac number, because 873191366055 - 2¹ = 873191366053 is a prime.

It is a super-3 number, since 3×873191366055³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 873191365992 and 873191366010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873191366053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1353646 + ... + 1891755.

It is an arithmetic number, because the mean of its divisors is an integer number (48534986910).

Almost surely, 2^873191366055 is an apocalyptic number.

873191366055 is a deficient number, since it is larger than the sum of its proper divisors (679928215065).

873191366055 is a wasteful number, since it uses less digits than its factorization.

873191366055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247408 (or 3247402 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 873191366055 in words is "eight hundred seventy-three billion, one hundred ninety-one million, three hundred sixty-six thousand, fifty-five".