869652260868 has 12 divisors (see below), whose sum is σ = 2029188608720. Its totient is φ = 289884086952.

The previous prime is 869652260833. The next prime is 869652260879. The reversal of 869652260868 is 868062256968.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×869652260868² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869652260799 and 869652260808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36235510858 + ... + 36235510881.

Almost surely, 2^869652260868 is an apocalyptic number.

It is an amenable number.

869652260868 is an abundant number, since it is smaller than the sum of its proper divisors (1159536347852).

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

869652260868 is a wasteful number, since it uses less digits than its factorization.

869652260868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72471021746 (or 72471021744 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 869652260868 in words is "eight hundred sixty-nine billion, six hundred fifty-two million, two hundred sixty thousand, eight hundred sixty-eight".