866226576320734 has 4 divisors (see below), whose sum is σ = 1299339864481104. Its totient is φ = 433113288160366.

The previous prime is 866226576320669. The next prime is 866226576320761. The reversal of 866226576320734 is 437023675622668.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 866226576320734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216556644080182 + ... + 216556644080185.

It is an arithmetic number, because the mean of its divisors is an integer number (324834966120276).

Almost surely, 2^{866226576320734} is an apocalyptic number.

866226576320734 is a deficient number, since it is larger than the sum of its proper divisors (433113288160370).

866226576320734 is a wasteful number, since it uses less digits than its factorization.

866226576320734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433113288160369.

The product of its (nonzero) digits is 731566080, while the sum is 67.

The spelling of 866226576320734 in words is "eight hundred sixty-six trillion, two hundred twenty-six billion, five hundred seventy-six million, three hundred twenty thousand, seven hundred thirty-four".