871676657622 has 48 divisors (see below), whose sum is σ = 1971982752480. Its totient is φ = 277751650176.

The previous prime is 871676657581. The next prime is 871676657623. The reversal of 871676657622 is 226756676178.

It is a super-2 number, since 2×871676657622² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 871676657622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871676657623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954 + ... + 1320362.

It is an arithmetic number, because the mean of its divisors is an integer number (41082974010).

Almost surely, 2^871676657622 is an apocalyptic number.

871676657622 is an abundant number, since it is smaller than the sum of its proper divisors (1100306094858).

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

871676657622 is a wasteful number, since it uses less digits than its factorization.

871676657622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320037 (or 1320034 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 871676657622 in words is "eight hundred seventy-one billion, six hundred seventy-six million, six hundred fifty-seven thousand, six hundred twenty-two".