871366327938 has 18 divisors (see below), whose sum is σ = 1887968958057. Its totient is φ = 290454122520.

The previous prime is 871366327831. The next prime is 871366327943. The reversal of 871366327938 is 839723663178.

It can be written as a sum of positive squares in 2 ways, for example, as 797997396249 + 73368931689 = 893307^2 + 270867^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=660063.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3850368 + ... + 4070388.

Almost surely, 2^871366327938 is an apocalyptic number.

871366327938 is an abundant number, since it is smaller than the sum of its proper divisors (1016602630119).

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

871366327938 is an frugal number, since it uses more digits than its factorization.

871366327938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440050 (or 220026 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 871366327938 in words is "eight hundred seventy-one billion, three hundred sixty-six million, three hundred twenty-seven thousand, nine hundred thirty-eight".