98665564 has 12 divisors (see below), whose sum is σ = 176680504. Its totient is φ = 48185424.

The previous prime is 98665547. The next prime is 98665577. The reversal of 98665564 is 46556689.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286647 + ... + 286990.

Almost surely, 2^98665564 is an apocalyptic number.

It is an amenable number.

98665564 is a deficient number, since it is larger than the sum of its proper divisors (78014940).

98665564 is a wasteful number, since it uses less digits than its factorization.

98665564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573684 (or 573682 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 98665564 is about 9933.0541124067. The cubic root of 98665564 is about 462.0849965117.

The spelling of 98665564 in words is "ninety-eight million, six hundred sixty-five thousand, five hundred sixty-four".