867340447 has 8 divisors (see below), whose sum is σ = 879195200. Its totient is φ = 855507744.

The previous prime is 867340433. The next prime is 867340451. The reversal of 867340447 is 744043768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867340447 - 2⁷ = 867340319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867340417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83329 + ... + 93157.

It is an arithmetic number, because the mean of its divisors is an integer number (109899400).

Almost surely, 2^867340447 is an apocalyptic number.

867340447 is a deficient number, since it is larger than the sum of its proper divisors (11854753).

867340447 is a wasteful number, since it uses less digits than its factorization.

867340447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 867340447 is about 29450.6442544132. The cubic root of 867340447 is about 953.6665131126. Note that the first 3 decimals are identical.

The spelling of 867340447 in words is "eight hundred sixty-seven million, three hundred forty thousand, four hundred forty-seven".