84112718 has 4 divisors (see below), whose sum is σ = 126169080. Its totient is φ = 42056358.

The previous prime is 84112711. The next prime is 84112739. The reversal of 84112718 is 81721148.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84112711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21028178 + ... + 21028181.

It is an arithmetic number, because the mean of its divisors is an integer number (31542270).

Almost surely, 2^84112718 is an apocalyptic number.

84112718 is a deficient number, since it is larger than the sum of its proper divisors (42056362).

84112718 is a wasteful number, since it uses less digits than its factorization.

84112718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42056361.

The product of its digits is 3584, while the sum is 32.

The square root of 84112718 is about 9171.2985994351. The cubic root of 84112718 is about 438.1477195428.

The spelling of 84112718 in words is "eighty-four million, one hundred twelve thousand, seven hundred eighteen".