84475618 has 16 divisors (see below), whose sum is σ = 134369280. Its totient is φ = 39693376.

The previous prime is 84475613. The next prime is 84475631. The reversal of 84475618 is 81657448.

It is a super-2 number, since 2×84475618² = 14272260072963848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84475613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27903 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (8398080).

Almost surely, 2^84475618 is an apocalyptic number.

84475618 is a deficient number, since it is larger than the sum of its proper divisors (49893662).

84475618 is a wasteful number, since it uses less digits than its factorization.

84475618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761.

The product of its digits is 215040, while the sum is 43.

The square root of 84475618 is about 9191.0618537795. The cubic root of 84475618 is about 438.7769374402.

The spelling of 84475618 in words is "eighty-four million, four hundred seventy-five thousand, six hundred eighteen".