866771742814 has 16 divisors (see below), whose sum is σ = 1318509349488. Its totient is φ = 427273503552.

The previous prime is 866771742797. The next prime is 866771742821. The reversal of 866771742814 is 418247177668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862252 + ... + 1573855.

It is an arithmetic number, because the mean of its divisors is an integer number (82406834343).

Almost surely, 2^866771742814 is an apocalyptic number.

866771742814 is a deficient number, since it is larger than the sum of its proper divisors (451737606674).

866771742814 is a wasteful number, since it uses less digits than its factorization.

866771742814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438619.

The product of its digits is 25288704, while the sum is 61.

The spelling of 866771742814 in words is "eight hundred sixty-six billion, seven hundred seventy-one million, seven hundred forty-two thousand, eight hundred fourteen".