869221683 has 12 divisors (see below), whose sum is σ = 1369682808. Its totient is φ = 526800960.

The previous prime is 869221631. The next prime is 869221693. The reversal of 869221683 is 386122968.

It is not a de Polignac number, because 869221683 - 2¹⁶ = 869156147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869221603) 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 11 ways as a sum of consecutive naturals, for example, 4389910 + ... + 4390107.

It is an arithmetic number, because the mean of its divisors is an integer number (114140234).

Almost surely, 2^869221683 is an apocalyptic number.

869221683 is a deficient number, since it is larger than the sum of its proper divisors (500461125).

869221683 is a wasteful number, since it uses less digits than its factorization.

869221683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780034 (or 8780031 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 869221683 is about 29482.5657465560. The cubic root of 869221683 is about 954.3555067856.

The spelling of 869221683 in words is "eight hundred sixty-nine million, two hundred twenty-one thousand, six hundred eighty-three".