89393639843 has 8 divisors (see below), whose sum is σ = 90339752496. Its totient is φ = 88448724000.

The previous prime is 89393639767. The next prime is 89393639849. The reversal of 89393639843 is 34893639398.

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

It is a cyclic number.

It is not a de Polignac number, because 89393639843 - 2³⁴ = 72213770659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89393639843.

It is not an unprimeable number, because it can be changed into a prime (89393639849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148628 + ... + 448193.

It is an arithmetic number, because the mean of its divisors is an integer number (11292469062).

Almost surely, 2^89393639843 is an apocalyptic number.

89393639843 is a deficient number, since it is larger than the sum of its proper divisors (946112653).

89393639843 is a wasteful number, since it uses less digits than its factorization.

89393639843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598405.

The product of its digits is 90699264, while the sum is 65.

The spelling of 89393639843 in words is "eighty-nine billion, three hundred ninety-three million, six hundred thirty-nine thousand, eight hundred forty-three".