869912974 has 12 divisors (see below), whose sum is σ = 1517909544. Its totient is φ = 372819804.

The previous prime is 869912947. The next prime is 869912983. The reversal of 869912974 is 479219968.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4438234 + ... + 4438429.

It is an arithmetic number, because the mean of its divisors is an integer number (126492462).

Almost surely, 2^869912974 is an apocalyptic number.

869912974 is a deficient number, since it is larger than the sum of its proper divisors (647996570).

869912974 is a wasteful number, since it uses less digits than its factorization.

869912974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876679 (or 8876672 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 869912974 is about 29494.2871417500. The cubic root of 869912974 is about 954.6084390224.

The spelling of 869912974 in words is "eight hundred sixty-nine million, nine hundred twelve thousand, nine hundred seventy-four".