866470270843 has 4 divisors (see below), whose sum is σ = 866895221520. Its totient is φ = 866045320168.

The previous prime is 866470270723. The next prime is 866470270847. The reversal of 866470270843 is 348072074668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866470270843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866470270847) 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, 212472280 + ... + 212476357.

It is an arithmetic number, because the mean of its divisors is an integer number (216723805380).

Almost surely, 2^866470270843 is an apocalyptic number.

866470270843 is a deficient number, since it is larger than the sum of its proper divisors (424950677).

866470270843 is a wasteful number, since it uses less digits than its factorization.

866470270843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424950676.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 866470270843 in words is "eight hundred sixty-six billion, four hundred seventy million, two hundred seventy thousand, eight hundred forty-three".