866788568236230 has 64 divisors (see below), whose sum is σ = 2080751862126528. Its totient is φ = 231092589127680.

The previous prime is 866788568236211. The next prime is 866788568236277. The reversal of 866788568236230 is 32632865887668.

It is a super-2 number, since 2×866788568236230² (a number of 31 digits) contains 22 as substring.

It is a congruent 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, 3806716264 + ... + 3806943956.

It is an arithmetic number, because the mean of its divisors is an integer number (32511747845727).

Almost surely, 2^{866788568236230} is an apocalyptic number.

866788568236230 is an abundant number, since it is smaller than the sum of its proper divisors (1213963293890298).

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

866788568236230 is a wasteful number, since it uses less digits than its factorization.

866788568236230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255161.

The product of its (nonzero) digits is 6688604160, while the sum is 78.

The spelling of 866788568236230 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, five hundred sixty-eight million, two hundred thirty-six thousand, two hundred thirty".