2867664867 has 4 divisors (see below), whose sum is σ = 3823553160. Its totient is φ = 1911776576.

The previous prime is 2867664847. The next prime is 2867664881. The reversal of 2867664867 is 7684667682.

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 2867664867 - 2¹⁵ = 2867632099 is a prime.

It is a super-2 number, since 2×2867664867² = 16447003578852255378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2867664867.

It is not an unprimeable number, because it can be changed into a prime (2867664847) 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, 477944142 + ... + 477944147.

It is an arithmetic number, because the mean of its divisors is an integer number (955888290).

Almost surely, 2^2867664867 is an apocalyptic number.

2867664867 is a deficient number, since it is larger than the sum of its proper divisors (955888293).

2867664867 is an equidigital number, since it uses as much as digits as its factorization.

2867664867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955888292.

The product of its digits is 32514048, while the sum is 60.

The square root of 2867664867 is about 53550.5823217638. The cubic root of 2867664867 is about 1420.7231764051.

The spelling of 2867664867 in words is "two billion, eight hundred sixty-seven million, six hundred sixty-four thousand, eight hundred sixty-seven".