84666345 has 16 divisors (see below), whose sum is σ = 135628992. Its totient is φ = 45101120.

The previous prime is 84666331. The next prime is 84666367. The reversal of 84666345 is 54366648.

It is not a de Polignac number, because 84666345 - 2⁵ = 84666313 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 84666297 and 84666306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11659 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (8476812).

Almost surely, 2^84666345 is an apocalyptic number.

It is an amenable number.

84666345 is a deficient number, since it is larger than the sum of its proper divisors (50962647).

84666345 is a wasteful number, since it uses less digits than its factorization.

84666345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792.

The product of its digits is 414720, while the sum is 42.

The square root of 84666345 is about 9201.4316820808. The cubic root of 84666345 is about 439.1069092038.

The spelling of 84666345 in words is "eighty-four million, six hundred sixty-six thousand, three hundred forty-five".