866760722322472 has 16 divisors (see below), whose sum is σ = 1627059525114240. Its totient is φ = 432878182292016.

The previous prime is 866760722322437. The next prime is 866760722322491. The reversal of 866760722322472 is 274223227067668.

It is a super-4 number, since 4×866760722322472⁴ (a number of 61 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62772351318 + ... + 62772365125.

It is an arithmetic number, because the mean of its divisors is an integer number (101691220319640).

Almost surely, 2^{866760722322472} is an apocalyptic number.

It is an amenable number.

866760722322472 is a deficient number, since it is larger than the sum of its proper divisors (760298802791768).

866760722322472 is a wasteful number, since it uses less digits than its factorization.

866760722322472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125544717312 (or 125544717308 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 64.

The spelling of 866760722322472 in words is "eight hundred sixty-six trillion, seven hundred sixty billion, seven hundred twenty-two million, three hundred twenty-two thousand, four hundred seventy-two".