89849762578522 has 8 divisors (see below), whose sum is σ = 136672878288672. Its totient is φ = 44292136482300.

The previous prime is 89849762578421. The next prime is 89849762578529. The reversal of 89849762578522 is 22587526794898.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (89849762578529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316372403304 + ... + 316372403587.

It is an arithmetic number, because the mean of its divisors is an integer number (17084109786084).

Almost surely, 2^{89849762578522} is an apocalyptic number.

89849762578522 is a deficient number, since it is larger than the sum of its proper divisors (46823115710150).

89849762578522 is a wasteful number, since it uses less digits than its factorization.

89849762578522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632744806964.

The product of its digits is 9754214400, while the sum is 82.

The spelling of 89849762578522 in words is "eighty-nine trillion, eight hundred forty-nine billion, seven hundred sixty-two million, five hundred seventy-eight thousand, five hundred twenty-two".