867069243 has 12 divisors (see below), whose sum is σ = 1281560280. Its totient is φ = 564602976.

The previous prime is 867069233. The next prime is 867069277. The reversal of 867069243 is 342960768.

It is not a de Polignac number, because 867069243 - 2⁶ = 867069179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867069233) 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 11 ways as a sum of consecutive naturals, for example, 1119858 + ... + 1120631.

It is an arithmetic number, because the mean of its divisors is an integer number (106796690).

Almost surely, 2^867069243 is an apocalyptic number.

867069243 is a deficient number, since it is larger than the sum of its proper divisors (414491037).

867069243 is a wasteful number, since it uses less digits than its factorization.

867069243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240538 (or 2240535 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 867069243 is about 29446.0395129803. The cubic root of 867069243 is about 953.5671038069.

The spelling of 867069243 in words is "eight hundred sixty-seven million, sixty-nine thousand, two hundred forty-three".