870646140618773 has 16 divisors (see below), whose sum is σ = 879037913385216. Its totient is φ = 862266648122880.

The previous prime is 870646140618733. The next prime is 870646140618853. The reversal of 870646140618773 is 377816041646078.

It is a cyclic number.

It is not a de Polignac number, because 870646140618773 - 2¹⁴ = 870646140602389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870646140618733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857235590 + ... + 858250632.

It is an arithmetic number, because the mean of its divisors is an integer number (54939869586576).

Almost surely, 2^{870646140618773} is an apocalyptic number.

It is an amenable number.

870646140618773 is a deficient number, since it is larger than the sum of its proper divisors (8391772766443).

870646140618773 is a wasteful number, since it uses less digits than its factorization.

870646140618773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021084.

The product of its (nonzero) digits is 227598336, while the sum is 68.

The spelling of 870646140618773 in words is "eight hundred seventy trillion, six hundred forty-six billion, one hundred forty million, six hundred eighteen thousand, seven hundred seventy-three".