272207179480866 has 32 divisors (see below), whose sum is σ = 634885549814400. Its totient is φ = 77773479851088.

The previous prime is 272207179480849. The next prime is 272207179480867. The reversal of 272207179480866 is 668084971702272.

It is a self number, because there is not a number n which added to its sum of digits gives 272207179480866.

It is not an unprimeable number, because it can be changed into a prime (272207179480867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66133909381 + ... + 66133913496.

It is an arithmetic number, because the mean of its divisors is an integer number (19840173431700).

Almost surely, 2^{272207179480866} is an apocalyptic number.

272207179480866 is an abundant number, since it is smaller than the sum of its proper divisors (362678370333534).

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

272207179480866 is a wasteful number, since it uses less digits than its factorization.

272207179480866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132267822903 (or 132267822889 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 69.

The spelling of 272207179480866 in words is "two hundred seventy-two trillion, two hundred seven billion, one hundred seventy-nine million, four hundred eighty thousand, eight hundred sixty-six".