866763322228451 has 8 divisors (see below), whose sum is σ = 867230149657824. Its totient is φ = 866296578847360.

The previous prime is 866763322228313. The next prime is 866763322228493. The reversal of 866763322228451 is 154822223367668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866763322228451 - 2³⁰ = 866762248486627 is a prime.

It is a super-4 number, since 4×866763322228451⁴ (a number of 61 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866763322728451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375695 + ... + 41637336.

It is an arithmetic number, because the mean of its divisors is an integer number (108403768707228).

Almost surely, 2^{866763322228451} is an apocalyptic number.

866763322228451 is a deficient number, since it is larger than the sum of its proper divisors (466827429373).

866763322228451 is a wasteful number, since it uses less digits than its factorization.

866763322228451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42024141.

The product of its digits is 278691840, while the sum is 65.

The spelling of 866763322228451 in words is "eight hundred sixty-six trillion, seven hundred sixty-three billion, three hundred twenty-two million, two hundred twenty-eight thousand, four hundred fifty-one".