877643881952 has 12 divisors (see below), whose sum is σ = 1727861392656. Its totient is φ = 438821940960.

The previous prime is 877643881949. The next prime is 877643881969. The reversal of 877643881952 is 259188346778.

It is a super-2 number, since 2×877643881952² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13713185624 + ... + 13713185687.

It is an arithmetic number, because the mean of its divisors is an integer number (143988449388).

Almost surely, 2^877643881952 is an apocalyptic number.

It is an amenable number.

877643881952 is a deficient number, since it is larger than the sum of its proper divisors (850217510704).

877643881952 is a wasteful number, since it uses less digits than its factorization.

877643881952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27426371321 (or 27426371313 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 68.

The spelling of 877643881952 in words is "eight hundred seventy-seven billion, six hundred forty-three million, eight hundred eighty-one thousand, nine hundred fifty-two".