84266666851 has 8 divisors (see below), whose sum is σ = 89824563200. Its totient is φ = 78821051400.

The previous prime is 84266666849. The next prime is 84266666867. The reversal of 84266666851 is 15866666248.

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 84266666851 - 2¹ = 84266666849 is a prime.

It is a super-2 number, since 2×84266666851² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84266666051) 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, 28068675 + ... + 28071676.

It is an arithmetic number, because the mean of its divisors is an integer number (11228070400).

Almost surely, 2^84266666851 is an apocalyptic number.

84266666851 is a deficient number, since it is larger than the sum of its proper divisors (5557896349).

84266666851 is a wasteful number, since it uses less digits than its factorization.

84266666851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56140449.

The product of its digits is 19906560, while the sum is 58.

The spelling of 84266666851 in words is "eighty-four billion, two hundred sixty-six million, six hundred sixty-six thousand, eight hundred fifty-one".