866882868654 has 32 divisors (see below), whose sum is σ = 1891513785600. Its totient is φ = 262673308800.

The previous prime is 866882868491. The next prime is 866882868667. The reversal of 866882868654 is 456868288668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499119 + ... + 1408149.

It is an arithmetic number, because the mean of its divisors is an integer number (59109805800).

Almost surely, 2^866882868654 is an apocalyptic number.

866882868654 is an abundant number, since it is smaller than the sum of its proper divisors (1024630916946).

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

866882868654 is a wasteful number, since it uses less digits than its factorization.

866882868654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923496.

The product of its digits is 1698693120, while the sum is 75.

The spelling of 866882868654 in words is "eight hundred sixty-six billion, eight hundred eighty-two million, eight hundred sixty-eight thousand, six hundred fifty-four".