869866983 has 6 divisors (see below), whose sum is σ = 1256474544. Its totient is φ = 579911316.

The previous prime is 869866981. The next prime is 869866993. The reversal of 869866983 is 389668968.

It is not a de Polignac number, because 869866983 - 2¹ = 869866981 is a prime.

It is a super-2 number, since 2×869866983² = 1513337136227044578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 869866983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869866981) 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 5 ways as a sum of consecutive naturals, for example, 48325935 + ... + 48325952.

It is an arithmetic number, because the mean of its divisors is an integer number (209412424).

Almost surely, 2^869866983 is an apocalyptic number.

869866983 is a deficient number, since it is larger than the sum of its proper divisors (386607561).

869866983 is a wasteful number, since it uses less digits than its factorization.

869866983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96651893 (or 96651890 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 869866983 is about 29493.5074719844. The cubic root of 869866983 is about 954.5916158183.

The spelling of 869866983 in words is "eight hundred sixty-nine million, eight hundred sixty-six thousand, nine hundred eighty-three".