866763322228345 has 32 divisors (see below), whose sum is σ = 1085843520582912. Its totient is φ = 662953717569792.

The previous prime is 866763322228313. The next prime is 866763322228493. The reversal of 866763322228345 is 543822223367668.

It is a cyclic number.

It is not a de Polignac number, because 866763322228345 - 2⁵ = 866763322228313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11346962242 + ... + 11347038628.

It is an arithmetic number, because the mean of its divisors is an integer number (33932610018216).

Almost surely, 2^{866763322228345} is an apocalyptic number.

It is an amenable number.

866763322228345 is a deficient number, since it is larger than the sum of its proper divisors (219080198354567).

866763322228345 is a wasteful number, since it uses less digits than its factorization.

866763322228345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121041.

The product of its digits is 836075520, while the sum is 67.

The spelling of 866763322228345 in words is "eight hundred sixty-six trillion, seven hundred sixty-three billion, three hundred twenty-two million, two hundred twenty-eight thousand, three hundred forty-five".