89646550389 has 32 divisors (see below), whose sum is σ = 148417073280. Its totient is φ = 53006083200.

The previous prime is 89646550387. The next prime is 89646550393. The reversal of 89646550389 is 98305564698.

89646550389 is a `hidden beast` number, since 8 + 9 + 6 + 46 + 5 + 503 + 89 = 666.

It is not a de Polignac number, because 89646550389 - 2¹ = 89646550387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89646550387) 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 31 ways as a sum of consecutive naturals, for example, 3668802 + ... + 3693155.

It is an arithmetic number, because the mean of its divisors is an integer number (4638033540).

Almost surely, 2^89646550389 is an apocalyptic number.

It is an amenable number.

89646550389 is a deficient number, since it is larger than the sum of its proper divisors (58770522891).

89646550389 is a wasteful number, since it uses less digits than its factorization.

89646550389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362018 (or 7362012 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 89646550389 in words is "eighty-nine billion, six hundred forty-six million, five hundred fifty thousand, three hundred eighty-nine".