84984181818 has 16 divisors (see below), whose sum is σ = 169972834080. Its totient is φ = 28327315536.

The previous prime is 84984181813. The next prime is 84984181831. The reversal of 84984181818 is 81818148948.

It is a super-2 number, since 2×84984181818² (a number of 23 digits) contains 22 as substring.

84984181818 is a modest number, since divided by 181818 gives 84984 as remainder.

It is not an unprimeable number, because it can be changed into a prime (84984181811) 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, 93096 + ... + 422652.

It is an arithmetic number, because the mean of its divisors is an integer number (10623302130).

Almost surely, 2^84984181818 is an apocalyptic number.

84984181818 is an abundant number, since it is smaller than the sum of its proper divisors (84988652262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84984181818 is a wasteful number, since it uses less digits than its factorization.

84984181818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372541.

The product of its digits is 4718592, while the sum is 60.

The spelling of 84984181818 in words is "eighty-four billion, nine hundred eighty-four million, one hundred eighty-one thousand, eight hundred eighteen".