89217247838 has 24 divisors (see below), whose sum is σ = 140668513752. Its totient is φ = 42427500192.

The previous prime is 89217247789. The next prime is 89217247897. The reversal of 89217247838 is 83874271298.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283145 + ... + 508532.

It is an arithmetic number, because the mean of its divisors is an integer number (5861188073).

Almost surely, 2^89217247838 is an apocalyptic number.

89217247838 is a deficient number, since it is larger than the sum of its proper divisors (51451265914).

89217247838 is a wasteful number, since it uses less digits than its factorization.

89217247838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791804 (or 791775 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 59.

The spelling of 89217247838 in words is "eighty-nine billion, two hundred seventeen million, two hundred forty-seven thousand, eight hundred thirty-eight".