89816394356513 has 32 divisors (see below), whose sum is σ = 107555937858432. Its totient is φ = 74070603673600.

The previous prime is 89816394356501. The next prime is 89816394356527. The reversal of 89816394356513 is 31565349361898.

It is not a de Polignac number, because 89816394356513 - 2¹⁸ = 89816394094369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89816394326513) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 69933956 + ... + 71206677.

It is an arithmetic number, because the mean of its divisors is an integer number (3361123058076).

Almost surely, 2^{89816394356513} is an apocalyptic number.

89816394356513 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

89816394356513 is a deficient number, since it is larger than the sum of its proper divisors (17739543501919).

89816394356513 is a wasteful number, since it uses less digits than its factorization.

89816394356513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141140785.

The product of its digits is 503884800, while the sum is 71.

The spelling of 89816394356513 in words is "eighty-nine trillion, eight hundred sixteen billion, three hundred ninety-four million, three hundred fifty-six thousand, five hundred thirteen".