89213646623 has 4 divisors (see below), whose sum is σ = 93092500848. Its totient is φ = 85334792400.

The previous prime is 89213646619. The next prime is 89213646629. The reversal of 89213646623 is 32664631298.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89213646623 - 2² = 89213646619 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 (89213646629) 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 3 ways as a sum of consecutive naturals, for example, 1939427078 + ... + 1939427123.

It is an arithmetic number, because the mean of its divisors is an integer number (23273125212).

Almost surely, 2^89213646623 is an apocalyptic number.

89213646623 is a deficient number, since it is larger than the sum of its proper divisors (3878854225).

89213646623 is a wasteful number, since it uses less digits than its factorization.

89213646623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878854224.

The product of its digits is 2239488, while the sum is 50.

The spelling of 89213646623 in words is "eighty-nine billion, two hundred thirteen million, six hundred forty-six thousand, six hundred twenty-three".