89564649408 has 84 divisors (see below), whose sum is σ = 276468680488. Its totient is φ = 27558351360.

The previous prime is 89564649359. The next prime is 89564649443. The reversal of 89564649408 is 80494646598.

89564649408 is a `hidden beast` number, since 8 + 9 + 564 + 64 + 9 + 4 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5973058 + ... + 5988033.

Almost surely, 2^89564649408 is an apocalyptic number.

It is an amenable number.

89564649408 is an abundant number, since it is smaller than the sum of its proper divisors (186904031080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89564649408 is a wasteful number, since it uses less digits than its factorization.

89564649408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961122 (or 11961109 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 89564649408 in words is "eighty-nine billion, five hundred sixty-four million, six hundred forty-nine thousand, four hundred eight".