871380582383651 has 4 divisors (see below), whose sum is σ = 917242718298600. Its totient is φ = 825518446468704.

The previous prime is 871380582383621. The next prime is 871380582383657. The reversal of 871380582383651 is 156383285083178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 871380582383651 - 2⁶ = 871380582383587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871380582383657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22931067957446 + ... + 22931067957483.

It is an arithmetic number, because the mean of its divisors is an integer number (229310679574650).

Almost surely, 2^{871380582383651} is an apocalyptic number.

871380582383651 is a deficient number, since it is larger than the sum of its proper divisors (45862135914949).

871380582383651 is a wasteful number, since it uses less digits than its factorization.

871380582383651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45862135914948.

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 871380582383651 in words is "eight hundred seventy-one trillion, three hundred eighty billion, five hundred eighty-two million, three hundred eighty-three thousand, six hundred fifty-one".