7285865072866 has 8 divisors (see below), whose sum is σ = 11060469869904. Its totient is φ = 3599041782900.

The previous prime is 7285865072833. The next prime is 7285865072869. The reversal of 7285865072866 is 6682705685827.

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

It is a junction number, because it is equal to n+sod(n) for n = 7285865072795 and 7285865072804.

It is not an unprimeable number, because it can be changed into a prime (7285865072869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21945376560 + ... + 21945376891.

It is an arithmetic number, because the mean of its divisors is an integer number (1382558733738).

Almost surely, 2^{7285865072866} is an apocalyptic number.

7285865072866 is a deficient number, since it is larger than the sum of its proper divisors (3774604797038).

7285865072866 is a wasteful number, since it uses less digits than its factorization.

7285865072866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43890753536.

The product of its (nonzero) digits is 541900800, while the sum is 70.

The spelling of 7285865072866 in words is "seven trillion, two hundred eighty-five billion, eight hundred sixty-five million, seventy-two thousand, eight hundred sixty-six".