98664505 has 8 divisors (see below), whose sum is σ = 118471752. Its totient is φ = 78882048.

The previous prime is 98664499. The next prime is 98664529. The reversal of 98664505 is 50546689.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 98664489 = 4^2 + 9933^2 .

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 98664505 - 2³ = 98664497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4129 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (14808969).

Almost surely, 2^98664505 is an apocalyptic number.

It is an amenable number.

98664505 is a deficient number, since it is larger than the sum of its proper divisors (19807247).

98664505 is a wasteful number, since it uses less digits than its factorization.

98664505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 98664505 is about 9933.0008053961. Note that the first 3 decimals coincide. The cubic root of 98664505 is about 462.0833432846.

The spelling of 98664505 in words is "ninety-eight million, six hundred sixty-four thousand, five hundred five".