84163338815 has 16 divisors (see below), whose sum is σ = 101374872192. Its totient is φ = 67078433184.

The previous prime is 84163338739. The next prime is 84163338817. The reversal of 84163338815 is 51883336148.

It is a cyclic number.

It is not a de Polignac number, because 84163338815 - 2⁸ = 84163338559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84163338817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039012 + ... + 2079878.

It is an arithmetic number, because the mean of its divisors is an integer number (6335929512).

Almost surely, 2^84163338815 is an apocalyptic number.

84163338815 is a deficient number, since it is larger than the sum of its proper divisors (17211533377).

84163338815 is a wasteful number, since it uses less digits than its factorization.

84163338815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42406.

The product of its digits is 1658880, while the sum is 50.

The spelling of 84163338815 in words is "eighty-four billion, one hundred sixty-three million, three hundred thirty-eight thousand, eight hundred fifteen".