8454042867 has 4 divisors (see below), whose sum is σ = 11272057160. Its totient is φ = 5636028576.

The previous prime is 8454042859. The next prime is 8454042871. The reversal of 8454042867 is 7682404548.

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

It is not a de Polignac number, because 8454042867 - 2³ = 8454042859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8454042167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409007142 + ... + 1409007147.

It is an arithmetic number, because the mean of its divisors is an integer number (2818014290).

Almost surely, 2^8454042867 is an apocalyptic number.

8454042867 is a deficient number, since it is larger than the sum of its proper divisors (2818014293).

8454042867 is a wasteful number, since it uses less digits than its factorization.

8454042867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818014292.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The square root of 8454042867 is about 91945.8692220591. The cubic root of 8454042867 is about 2037.1428401373.

The spelling of 8454042867 in words is "eight billion, four hundred fifty-four million, forty-two thousand, eight hundred sixty-seven".