98665553 has 8 divisors (see below), whose sum is σ = 112899072. Its totient is φ = 84466656.

The previous prime is 98665547. The next prime is 98665577. The reversal of 98665553 is 35556689.

It is a happy number.

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 98665553 - 2¹⁰ = 98664529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98665498 and 98665507.

It is not an unprimeable number, because it can be changed into a prime (98665513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (14112384).

Almost surely, 2^98665553 is an apocalyptic number.

It is an amenable number.

98665553 is a deficient number, since it is larger than the sum of its proper divisors (14233519).

98665553 is a wasteful number, since it uses less digits than its factorization.

98665553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17311.

The product of its digits is 972000, while the sum is 47.

The square root of 98665553 is about 9933.0535586999. The cubic root of 98665553 is about 462.0849793395.

The spelling of 98665553 in words is "ninety-eight million, six hundred sixty-five thousand, five hundred fifty-three".