870793563 has 4 divisors (see below), whose sum is σ = 1161058088. Its totient is φ = 580529040.

The previous prime is 870793531. The next prime is 870793577. The reversal of 870793563 is 365397078.

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

It is not a de Polignac number, because 870793563 - 2⁵ = 870793531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870793513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145132258 + ... + 145132263.

It is an arithmetic number, because the mean of its divisors is an integer number (290264522).

Almost surely, 2^870793563 is an apocalyptic number.

870793563 is a deficient number, since it is larger than the sum of its proper divisors (290264525).

870793563 is a wasteful number, since it uses less digits than its factorization.

870793563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290264524.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 870793563 is about 29509.2114940403. The cubic root of 870793563 is about 954.9304383605.

The spelling of 870793563 in words is "eight hundred seventy million, seven hundred ninety-three thousand, five hundred sixty-three".