866786276326652 has 24 divisors (see below), whose sum is σ = 1662616330136832. Its totient is φ = 392126492948400.

The previous prime is 866786276326643. The next prime is 866786276326661. The reversal of 866786276326652 is 256623672687668.

It is an interprime number because it is at equal distance from previous prime (866786276326643) and next prime (866786276326661).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46681716068 + ... + 46681734635.

It is an arithmetic number, because the mean of its divisors is an integer number (69275680422368).

Almost surely, 2^{866786276326652} is an apocalyptic number.

It is an amenable number.

866786276326652 is a deficient number, since it is larger than the sum of its proper divisors (795830053810180).

866786276326652 is a wasteful number, since it uses less digits than its factorization.

866786276326652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93363450929 (or 93363450927 counting only the distinct ones).

The product of its digits is 17557585920, while the sum is 80.

The spelling of 866786276326652 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, two hundred seventy-six million, three hundred twenty-six thousand, six hundred fifty-two".