870352163 has 4 divisors (see below), whose sum is σ = 878802288. Its totient is φ = 861902040.

The previous prime is 870352139. The next prime is 870352169. The reversal of 870352163 is 361253078.

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

It is a cyclic number.

It is not a de Polignac number, because 870352163 - 2⁶ = 870352099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870352169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224908 + ... + 4225113.

It is an arithmetic number, because the mean of its divisors is an integer number (219700572).

Almost surely, 2^870352163 is an apocalyptic number.

870352163 is a deficient number, since it is larger than the sum of its proper divisors (8450125).

870352163 is a wasteful number, since it uses less digits than its factorization.

870352163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450124.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 870352163 is about 29501.7315254546. The cubic root of 870352163 is about 954.7690615990.

It can be divided in two parts, 87035 and 2163, that added together give a palindrome (89198).

The spelling of 870352163 in words is "eight hundred seventy million, three hundred fifty-two thousand, one hundred sixty-three".