871441977387 has 8 divisors (see below), whose sum is σ = 1162119696336. Its totient is φ = 580862788352.

The previous prime is 871441977377. The next prime is 871441977407. The reversal of 871441977387 is 783779144178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871441977387 - 2⁶ = 871441977323 is a prime.

It is a super-2 number, since 2×871441977387² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (871441977377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24611838 + ... + 24647219.

It is an arithmetic number, because the mean of its divisors is an integer number (145264962042).

Almost surely, 2^871441977387 is an apocalyptic number.

871441977387 is a deficient number, since it is larger than the sum of its proper divisors (290677718949).

871441977387 is a wasteful number, since it uses less digits than its factorization.

871441977387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49264957.

The product of its digits is 66382848, while the sum is 66.

The spelling of 871441977387 in words is "eight hundred seventy-one billion, four hundred forty-one million, nine hundred seventy-seven thousand, three hundred eighty-seven".