84120668 has 12 divisors (see below), whose sum is σ = 147283920. Its totient is φ = 42039552.

The previous prime is 84120667. The next prime is 84120697. The reversal of 84120668 is 86602148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84120667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7193 + ... + 14831.

It is an arithmetic number, because the mean of its divisors is an integer number (12273660).

Almost surely, 2^84120668 is an apocalyptic number.

It is an amenable number.

84120668 is a deficient number, since it is larger than the sum of its proper divisors (63163252).

84120668 is a wasteful number, since it uses less digits than its factorization.

84120668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10396 (or 10394 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 84120668 is about 9171.7320065514. The cubic root of 84120668 is about 438.1615231019.

The spelling of 84120668 in words is "eighty-four million, one hundred twenty thousand, six hundred sixty-eight".