870767666217351 has 24 divisors (see below), whose sum is σ = 1438157909171360. Its totient is φ = 497339155469376.

The previous prime is 870767666217209. The next prime is 870767666217353. The reversal of 870767666217351 is 153712666767078.

It is not a de Polignac number, because 870767666217351 - 2¹⁸ = 870767665955207 is a prime.

It is a super-2 number, since 2×870767666217351² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870767666217351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870767666217353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3366093016 + ... + 3366351693.

Almost surely, 2^{870767666217351} is an apocalyptic number.

870767666217351 is a deficient number, since it is larger than the sum of its proper divisors (567390242954009).

870767666217351 is a wasteful number, since it uses less digits than its factorization.

870767666217351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732446775 (or 6732446772 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 870767666217351 in words is "eight hundred seventy trillion, seven hundred sixty-seven billion, six hundred sixty-six million, two hundred seventeen thousand, three hundred fifty-one".