870797790566 has 8 divisors (see below), whose sum is σ = 1424941839144. Its totient is φ = 395817177520.

The previous prime is 870797790539. The next prime is 870797790589. The reversal of 870797790566 is 665097797078.

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

It is a self number, because there is not a number n which added to its sum of digits gives 870797790566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19790858855 + ... + 19790858898.

It is an arithmetic number, because the mean of its divisors is an integer number (178117729893).

Almost surely, 2^870797790566 is an apocalyptic number.

870797790566 is a deficient number, since it is larger than the sum of its proper divisors (554144048578).

870797790566 is a wasteful number, since it uses less digits than its factorization.

870797790566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39581717766.

The product of its (nonzero) digits is 280052640, while the sum is 71.

The spelling of 870797790566 in words is "eight hundred seventy billion, seven hundred ninety-seven million, seven hundred ninety thousand, five hundred sixty-six".