868067147 has 4 divisors (see below), whose sum is σ = 868363080. Its totient is φ = 867771216.

The previous prime is 868067143. The next prime is 868067159. The reversal of 868067147 is 741760868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868067147 - 2² = 868067143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868067143) 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 3 ways as a sum of consecutive naturals, for example, 143522 + ... + 149447.

It is an arithmetic number, because the mean of its divisors is an integer number (217090770).

Almost surely, 2^868067147 is an apocalyptic number.

868067147 is a deficient number, since it is larger than the sum of its proper divisors (295933).

868067147 is a wasteful number, since it uses less digits than its factorization.

868067147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295932.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 868067147 is about 29462.9792621181. The cubic root of 868067147 is about 953.9327814875.

The spelling of 868067147 in words is "eight hundred sixty-eight million, sixty-seven thousand, one hundred forty-seven".