84808018 has 8 divisors (see below), whose sum is σ = 127496700. Its totient is φ = 42309120.

The previous prime is 84808013. The next prime is 84808021. The reversal of 84808018 is 81080848.

It can be written as a sum of positive squares in 2 ways, for example, as 77316849 + 7491169 = 8793^2 + 2737^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84808013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46323 + ... + 48118.

Almost surely, 2^84808018 is an apocalyptic number.

84808018 is a deficient number, since it is larger than the sum of its proper divisors (42688682).

84808018 is a wasteful number, since it uses less digits than its factorization.

84808018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94892.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 84808018 is about 9209.1268858671. The cubic root of 84808018 is about 439.3516933100.

The spelling of 84808018 in words is "eighty-four million, eight hundred eight thousand, eighteen".