869982312 has 32 divisors (see below), whose sum is σ = 2205593280. Its totient is φ = 285909120.

The previous prime is 869982299. The next prime is 869982341. The reversal of 869982312 is 213289968.

869982312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×869982312³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253573 + ... + 256980.

It is an arithmetic number, because the mean of its divisors is an integer number (68924790).

Almost surely, 2^869982312 is an apocalyptic number.

It is an amenable number.

869982312 is an abundant number, since it is smaller than the sum of its proper divisors (1335610968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869982312 is a wasteful number, since it uses less digits than its factorization.

869982312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510633 (or 510629 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 869982312 is about 29495.4625662999. The cubic root of 869982312 is about 954.6338012841.

The spelling of 869982312 in words is "eight hundred sixty-nine million, nine hundred eighty-two thousand, three hundred twelve".