84643066 has 8 divisors (see below), whose sum is σ = 127015200. Its totient is φ = 42304668.

The previous prime is 84643057. The next prime is 84643103. The reversal of 84643066 is 66034648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (15876900).

Almost surely, 2^84643066 is an apocalyptic number.

84643066 is a deficient number, since it is larger than the sum of its proper divisors (42372134).

84643066 is a wasteful number, since it uses less digits than its factorization.

84643066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 84643066 is about 9200.1666289258. The cubic root of 84643066 is about 439.0666613867.

The spelling of 84643066 in words is "eighty-four million, six hundred forty-three thousand, sixty-six".