84216718 has 16 divisors (see below), whose sum is σ = 128770560. Its totient is φ = 41296696.

The previous prime is 84216701. The next prime is 84216749. The reversal of 84216718 is 81761248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97155 + ... + 98017.

It is an arithmetic number, because the mean of its divisors is an integer number (8048160).

Almost surely, 2^84216718 is an apocalyptic number.

84216718 is a deficient number, since it is larger than the sum of its proper divisors (44553842).

84216718 is a wasteful number, since it uses less digits than its factorization.

84216718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its digits is 21504, while the sum is 37.

The square root of 84216718 is about 9176.9667101935. The cubic root of 84216718 is about 438.3282257192.

The spelling of 84216718 in words is "eighty-four million, two hundred sixteen thousand, seven hundred eighteen".