8279867 has 4 divisors (see below), whose sum is σ = 8766936. Its totient is φ = 7792800.

The previous prime is 8279857. The next prime is 8279881. The reversal of 8279867 is 7689728.

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

It is not a de Polignac number, because 8279867 - 2¹⁴ = 8263483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8279837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243509 + ... + 243542.

It is an arithmetic number, because the mean of its divisors is an integer number (2191734).

Almost surely, 2^8279867 is an apocalyptic number.

8279867 is a deficient number, since it is larger than the sum of its proper divisors (487069).

8279867 is a wasteful number, since it uses less digits than its factorization.

8279867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487068.

The product of its digits is 338688, while the sum is 47.

The square root of 8279867 is about 2877.4758035473. The cubic root of 8279867 is about 202.3055451803.

The spelling of 8279867 in words is "eight million, two hundred seventy-nine thousand, eight hundred sixty-seven".