870643748342105 has 8 divisors (see below), whose sum is σ = 1051028620754112. Its totient is φ = 692344250177968.

The previous prime is 870643748342089. The next prime is 870643748342161. The reversal of 870643748342105 is 501243847346078.

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

It is a cyclic number.

It is not a de Polignac number, because 870643748342105 - 2⁴ = 870643748342089 is a prime.

It is a super-2 number, since 2×870643748342105² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521343561047 + ... + 521343562716.

It is an arithmetic number, because the mean of its divisors is an integer number (131378577594264).

Almost surely, 2^{870643748342105} is an apocalyptic number.

It is an amenable number.

870643748342105 is a deficient number, since it is larger than the sum of its proper divisors (180384872412007).

870643748342105 is a wasteful number, since it uses less digits than its factorization.

870643748342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042687123935.

The product of its (nonzero) digits is 108380160, while the sum is 62.

The spelling of 870643748342105 in words is "eight hundred seventy trillion, six hundred forty-three billion, seven hundred forty-eight million, three hundred forty-two thousand, one hundred five".