871580254068 has 36 divisors (see below), whose sum is σ = 2225874208740. Its totient is φ = 287531629056.

The previous prime is 871580254067. The next prime is 871580254147. The reversal of 871580254068 is 860452085178.

871580254068 is a `hidden beast` number, since 8 + 7 + 1 + 580 + 2 + 54 + 0 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 165960093924 + 705620160144 = 407382^2 + 840012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871580254067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124793223 + ... + 124800206.

Almost surely, 2^871580254068 is an apocalyptic number.

It is an amenable number.

871580254068 is an abundant number, since it is smaller than the sum of its proper divisors (1354293954672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871580254068 is a wasteful number, since it uses less digits than its factorization.

871580254068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249593536 (or 249593531 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 871580254068 in words is "eight hundred seventy-one billion, five hundred eighty million, two hundred fifty-four thousand, sixty-eight".