870784963 has 4 divisors (see below), whose sum is σ = 870878680. Its totient is φ = 870691248.

The previous prime is 870784949. The next prime is 870784987. The reversal of 870784963 is 369487078.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870784963 is a prime.

It is a super-2 number, since 2×870784963² = 1516532903573822738, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 870784963.

It is not an unprimeable number, because it can be changed into a prime (870784063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31170 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (217719670).

Almost surely, 2^870784963 is an apocalyptic number.

870784963 is a deficient number, since it is larger than the sum of its proper divisors (93717).

870784963 is a wasteful number, since it uses less digits than its factorization.

870784963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93716.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 870784963 is about 29509.0657764694. The cubic root of 870784963 is about 954.9272947035.

The spelling of 870784963 in words is "eight hundred seventy million, seven hundred eighty-four thousand, nine hundred sixty-three".