869974983 has 48 divisors (see below), whose sum is σ = 1406152800. Its totient is φ = 516513024.

The previous prime is 869974981. The next prime is 869974991. The reversal of 869974983 is 389479968.

It is not a de Polignac number, because 869974983 - 2¹ = 869974981 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 869974983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869974981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1049013 + ... + 1049841.

It is an arithmetic number, because the mean of its divisors is an integer number (29294850).

Almost surely, 2^869974983 is an apocalyptic number.

869974983 is a deficient number, since it is larger than the sum of its proper divisors (536177817).

869974983 is a wasteful number, since it uses less digits than its factorization.

869974983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 868 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 869974983 is about 29495.3383265898. The cubic root of 869974983 is about 954.6311205664.

The spelling of 869974983 in words is "eight hundred sixty-nine million, nine hundred seventy-four thousand, nine hundred eighty-three".