84818013 has 8 divisors (see below), whose sum is σ = 129246528. Its totient is φ = 48467424.

The previous prime is 84818009. The next prime is 84818017. The reversal of 84818013 is 31081848.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84818009) and next prime (84818017).

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

It is not a de Polignac number, because 84818013 - 2² = 84818009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84818017) 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 in 7 ways as a sum of consecutive naturals, for example, 2019456 + ... + 2019497.

It is an arithmetic number, because the mean of its divisors is an integer number (16155816).

Almost surely, 2^84818013 is an apocalyptic number.

It is an amenable number.

84818013 is a deficient number, since it is larger than the sum of its proper divisors (44428515).

84818013 is a wasteful number, since it uses less digits than its factorization.

84818013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038963.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 84818013 is about 9209.6695380453. The cubic root of 84818013 is about 439.3689524787.

The spelling of 84818013 in words is "eighty-four million, eight hundred eighteen thousand, thirteen".