84717408815 has 16 divisors (see below), whose sum is σ = 111336573600. Its totient is φ = 61500196992.

The previous prime is 84717408803. The next prime is 84717408821. The reversal of 84717408815 is 51880471748.

It is not a de Polignac number, because 84717408815 - 2⁶ = 84717408751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11041460 + ... + 11049129.

It is an arithmetic number, because the mean of its divisors is an integer number (6958535850).

Almost surely, 2^84717408815 is an apocalyptic number.

84717408815 is a deficient number, since it is larger than the sum of its proper divisors (26619164785).

84717408815 is a wasteful number, since it uses less digits than its factorization.

84717408815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090666.

The product of its (nonzero) digits is 2007040, while the sum is 53.

The spelling of 84717408815 in words is "eighty-four billion, seven hundred seventeen million, four hundred eight thousand, eight hundred fifteen".